| 31P | Half-life | Boson, 15p 16n |  |
| Stable | Spin 1/2 Parity 1 |
This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it. |
| Atomic Weight | 30.973761629 |
| Abundance | 1×102% |
| Mass Excess | -24.440885MeV |
| Binding Energy | 8.481178MeV |
| Magnetic Moment | 1.1316 μ |
| Quadrupole Moment | N/A |
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