315231125 has 32 divisors (see below), whose sum is σ = 435352320. Its totient is φ = 225960000.

The previous prime is 315231107. The next prime is 315231127. The reversal of 315231125 is 521132513.

It is a happy number.

It is not a de Polignac number, because 315231125 - 2⁶ = 315231061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315231125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315231127) 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 in 31 ways as a sum of consecutive naturals, for example, 96011 + ... + 99239.

It is an arithmetic number, because the mean of its divisors is an integer number (13604760).

Almost surely, 2^315231125 is an apocalyptic number.

It is an amenable number.

315231125 is a deficient number, since it is larger than the sum of its proper divisors (120121195).

315231125 is a wasteful number, since it uses less digits than its factorization.

315231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3316 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 315231125 is about 17754.7493646066. The cubic root of 315231125 is about 680.5755831643.

Adding to 315231125 its reverse (521132513), we get a palindrome (836363638).

The spelling of 315231125 in words is "three hundred fifteen million, two hundred thirty-one thousand, one hundred twenty-five".