31300054400 has 48 divisors (see below), whose sum is σ = 77320923540. Its totient is φ = 12520020480.

The previous prime is 31300054393. The next prime is 31300054501. The reversal of 31300054400 is 445000313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4887434 + ... + 4893833.

Almost surely, 2^31300054400 is an apocalyptic number.

It is an amenable number.

31300054400 is an abundant number, since it is smaller than the sum of its proper divisors (46020869140).

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

31300054400 is an equidigital number, since it uses as much as digits as its factorization.

31300054400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781291 (or 9781274 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 31300054400 its reverse (445000313), we get a palindrome (31745054713).

The spelling of 31300054400 in words is "thirty-one billion, three hundred million, fifty-four thousand, four hundred".