912315131 has 16 divisors (see below), whose sum is σ = 1125722304. Its totient is φ = 719985024.

The previous prime is 912315127. The next prime is 912315137. The reversal of 912315131 is 131513219.

It is a cyclic number.

It is not a de Polignac number, because 912315131 - 2² = 912315127 is a prime.

It is a super-2 number, since 2×912315131² = 1664637796503094322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 912315131.

It is not an unprimeable number, because it can be changed into a prime (912315137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23501 + ... + 48753.

It is an arithmetic number, because the mean of its divisors is an integer number (70357644).

Almost surely, 2^912315131 is an apocalyptic number.

912315131 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

912315131 is a deficient number, since it is larger than the sum of its proper divisors (213407173).

912315131 is a wasteful number, since it uses less digits than its factorization.

912315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25670.

The product of its digits is 810, while the sum is 26.

The square root of 912315131 is about 30204.5548055256. The cubic root of 912315131 is about 969.8732009123.

The spelling of 912315131 in words is "nine hundred twelve million, three hundred fifteen thousand, one hundred thirty-one".