10915031 has 2 divisors, whose sum is σ = 10915032. Its totient is φ = 10915030.

The previous prime is 10915019. The next prime is 10915039. The reversal of 10915031 is 13051901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10915031 is a prime.

It is a super-2 number, since 2×10915031² = 238275803461922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10914994 and 10915012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10915039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5457515 + 5457516.

It is an arithmetic number, because the mean of its divisors is an integer number (5457516).

Almost surely, 2^10915031 is an apocalyptic number.

10915031 is the 1478-th centered decagonal number.

10915031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10915031 is an equidigital number, since it uses as much as digits as its factorization.

10915031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 10915031 is about 3303.7903989206. The cubic root of 10915031 is about 221.8238938300.

Adding to 10915031 its reverse (13051901), we get a palindrome (23966932).

The spelling of 10915031 in words is "ten million, nine hundred fifteen thousand, thirty-one".