315746953031 has 4 divisors (see below), whose sum is σ = 319551133272. Its totient is φ = 311942772792.

The previous prime is 315746953013. The next prime is 315746953051. The reversal of 315746953031 is 130359647513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130359647513 = 307 ⋅424624259.

It is a cyclic number.

It is not a de Polignac number, because 315746953031 - 2²⁶ = 315679844167 is a prime.

It is a super-2 number, since 2×315746953031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315746953001) 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, 1902089996 + ... + 1902090161.

It is an arithmetic number, because the mean of its divisors is an integer number (79887783318).

Almost surely, 2^315746953031 is an apocalyptic number.

315746953031 is a deficient number, since it is larger than the sum of its proper divisors (3804180241).

315746953031 is an equidigital number, since it uses as much as digits as its factorization.

315746953031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804180240.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 315746953031 in words is "three hundred fifteen billion, seven hundred forty-six million, nine hundred fifty-three thousand, thirty-one".