315253120531 has 8 divisors (see below), whose sum is σ = 325772899200. Its totient is φ = 304755237120.

The previous prime is 315253120493. The next prime is 315253120561. The reversal of 315253120531 is 135021352513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315253120531 - 2²¹ = 315251023379 is a prime.

It is a super-2 number, since 2×315253120531² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 315253120493 and 315253120502.

It is not an unprimeable number, because it can be changed into a prime (315253120561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444536 + ... + 5502133.

It is an arithmetic number, because the mean of its divisors is an integer number (40721612400).

Almost surely, 2^315253120531 is an apocalyptic number.

315253120531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

315253120531 is a deficient number, since it is larger than the sum of its proper divisors (10519778669).

315253120531 is a wasteful number, since it uses less digits than its factorization.

315253120531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947629.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 315253120531 in words is "three hundred fifteen billion, two hundred fifty-three million, one hundred twenty thousand, five hundred thirty-one".