31324364217 has 24 divisors (see below), whose sum is σ = 47252709504. Its totient is φ = 19958383104.

The previous prime is 31324364207. The next prime is 31324364251. The reversal of 31324364217 is 71246342313.

31324364217 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 4 + 3 + 642 + 1 + 7 = 666.

It is not a de Polignac number, because 31324364217 - 2⁷ = 31324364089 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31324364207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189748 + ... + 314090.

It is an arithmetic number, because the mean of its divisors is an integer number (1968862896).

Almost surely, 2^31324364217 is an apocalyptic number.

It is an amenable number.

31324364217 is a deficient number, since it is larger than the sum of its proper divisors (15928345287).

31324364217 is a wasteful number, since it uses less digits than its factorization.

31324364217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125589 (or 125586 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The spelling of 31324364217 in words is "thirty-one billion, three hundred twenty-four million, three hundred sixty-four thousand, two hundred seventeen".