951663131 has 2 divisors, whose sum is σ = 951663132. Its totient is φ = 951663130.

The previous prime is 951663073. The next prime is 951663137. The reversal of 951663131 is 131366159.

It is a strong prime.

It is an emirp because it is prime and its reverse (131366159) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-951663131 is a prime.

It is a super-2 number, since 2×951663131² = 1811325429809446322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 951663091 and 951663100.

It is not a weakly prime, because it can be changed into another prime (951663137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475831565 + 475831566.

It is an arithmetic number, because the mean of its divisors is an integer number (475831566).

Almost surely, 2^951663131 is an apocalyptic number.

951663131 is a deficient number, since it is larger than the sum of its proper divisors (1).

951663131 is an equidigital number, since it uses as much as digits as its factorization.

951663131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 951663131 is about 30849.0377645722. The cubic root of 951663131 is about 983.6209001210.

The spelling of 951663131 in words is "nine hundred fifty-one million, six hundred sixty-three thousand, one hundred thirty-one".