2315031145331 has 4 divisors (see below), whose sum is σ = 2315043808200. Its totient is φ = 2315018482464.

The previous prime is 2315031145283. The next prime is 2315031145337. The reversal of 2315031145331 is 1335411305132.

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 2315031145331 - 2²⁶ = 2314964036467 is a prime.

It is a super-2 number, since 2×2315031145331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315031145337) 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, 6053126 + ... + 6424203.

It is an arithmetic number, because the mean of its divisors is an integer number (578760952050).

Almost surely, 2^{2315031145331} is an apocalyptic number.

2315031145331 is a deficient number, since it is larger than the sum of its proper divisors (12662869).

2315031145331 is a wasteful number, since it uses less digits than its factorization.

2315031145331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12662868.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 2315031145331 in words is "two trillion, three hundred fifteen billion, thirty-one million, one hundred forty-five thousand, three hundred thirty-one".