31845268424 has 32 divisors (see below), whose sum is σ = 63825632640. Its totient is φ = 14858870400.

The previous prime is 31845268393. The next prime is 31845268487. The reversal of 31845268424 is 42486254813.

It is a super-2 number, since 2×31845268424² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103092 + ... + 2118179.

It is an arithmetic number, because the mean of its divisors is an integer number (1994551020).

Almost surely, 2^31845268424 is an apocalyptic number.

It is an amenable number.

31845268424 is an abundant number, since it is smaller than the sum of its proper divisors (31980364216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31845268424 is a wasteful number, since it uses less digits than its factorization.

31845268424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221341 (or 4221337 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The spelling of 31845268424 in words is "thirty-one billion, eight hundred forty-five million, two hundred sixty-eight thousand, four hundred twenty-four".