31054425720 has 64 divisors (see below), whose sum is σ = 93174865920. Its totient is φ = 8280150144.

The previous prime is 31054425719. The next prime is 31054425769. The reversal of 31054425720 is 2752445013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861657 + ... + 1878263.

It is an arithmetic number, because the mean of its divisors is an integer number (1455857280).

Almost surely, 2^31054425720 is an apocalyptic number.

31054425720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31054425720 is an abundant number, since it is smaller than the sum of its proper divisors (62120440200).

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

31054425720 is a wasteful number, since it uses less digits than its factorization.

31054425720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32204 (or 32200 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 31054425720 in words is "thirty-one billion, fifty-four million, four hundred twenty-five thousand, seven hundred twenty".