315248752031 has 4 divisors (see below), whose sum is σ = 315283560600. Its totient is φ = 315213943464.

The previous prime is 315248752019. The next prime is 315248752081. The reversal of 315248752031 is 130257842513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315248752031 - 2⁶ = 315248751967 is a prime.

It is a super-2 number, since 2×315248752031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315248752031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315248752081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17390696 + ... + 17408813.

It is an arithmetic number, because the mean of its divisors is an integer number (78820890150).

Almost surely, 2^315248752031 is an apocalyptic number.

315248752031 is a deficient number, since it is larger than the sum of its proper divisors (34808569).

315248752031 is an equidigital number, since it uses as much as digits as its factorization.

315248752031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34808568.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 315248752031 in words is "three hundred fifteen billion, two hundred forty-eight million, seven hundred fifty-two thousand, thirty-one".