10319531 has 2 divisors, whose sum is σ = 10319532. Its totient is φ = 10319530.

The previous prime is 10319521. The next prime is 10319537. The reversal of 10319531 is 13591301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10319531 - 2²² = 6125227 is a prime.

It is a super-2 number, since 2×10319531² = 212985440119922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10319497 and 10319506.

It is not a weakly prime, because it can be changed into another prime (10319537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5159765 + 5159766.

It is an arithmetic number, because the mean of its divisors is an integer number (5159766).

Almost surely, 2^10319531 is an apocalyptic number.

10319531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10319531 is an equidigital number, since it uses as much as digits as its factorization.

10319531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 10319531 is about 3212.4026833509. The cubic root of 10319531 is about 217.7141485307.

The spelling of 10319531 in words is "ten million, three hundred nineteen thousand, five hundred thirty-one".