315232305125 has 16 divisors (see below), whose sum is σ = 393841903104. Its totient is φ = 251908930000.

The previous prime is 315232305119. The next prime is 315232305133. The reversal of 315232305125 is 521503232513.

It is not a de Polignac number, because 315232305125 - 2¹⁴ = 315232288741 is a prime.

It is a super-2 number, since 2×315232305125² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315232305091 and 315232305100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270241 + ... + 1497990.

It is an arithmetic number, because the mean of its divisors is an integer number (24615118944).

Almost surely, 2^315232305125 is an apocalyptic number.

It is an amenable number.

315232305125 is a deficient number, since it is larger than the sum of its proper divisors (78609597979).

315232305125 is an equidigital number, since it uses as much as digits as its factorization.

315232305125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769157 (or 2769147 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 315232305125 its reverse (521503232513), we get a palindrome (836735537638).

The spelling of 315232305125 in words is "three hundred fifteen billion, two hundred thirty-two million, three hundred five thousand, one hundred twenty-five".