315214335531 has 6 divisors (see below), whose sum is σ = 455309595780. Its totient is φ = 210142890348.

The previous prime is 315214335521. The next prime is 315214335533. The reversal of 315214335531 is 135533412513.

315214335531 is a `hidden beast` number, since 3 + 1 + 52 + 1 + 43 + 35 + 531 = 666.

It is not a de Polignac number, because 315214335531 - 2⁶ = 315214335467 is a prime.

It is a super-2 number, since 2×315214335531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315214335533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17511907521 + ... + 17511907538.

It is an arithmetic number, because the mean of its divisors is an integer number (75884932630).

Almost surely, 2^315214335531 is an apocalyptic number.

315214335531 is a deficient number, since it is larger than the sum of its proper divisors (140095260249).

315214335531 is a wasteful number, since it uses less digits than its factorization.

315214335531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35023815065 (or 35023815062 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The spelling of 315214335531 in words is "three hundred fifteen billion, two hundred fourteen million, three hundred thirty-five thousand, five hundred thirty-one".