31350453872 has 40 divisors (see below), whose sum is σ = 64536048000. Its totient is φ = 14711412672.

The previous prime is 31350453863. The next prime is 31350453877. The reversal of 31350453872 is 27835405313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350453877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449372 + ... + 514427.

It is an arithmetic number, because the mean of its divisors is an integer number (1613401200).

Almost surely, 2^31350453872 is an apocalyptic number.

It is an amenable number.

31350453872 is an abundant number, since it is smaller than the sum of its proper divisors (33185594128).

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

31350453872 is a wasteful number, since it uses less digits than its factorization.

31350453872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963933 (or 963927 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 31350453872 in words is "thirty-one billion, three hundred fifty million, four hundred fifty-three thousand, eight hundred seventy-two".