31428718800372 has 48 divisors (see below), whose sum is σ = 81494280732480. Its totient is φ = 10474643106144.

The previous prime is 31428718800341. The next prime is 31428718800373. The reversal of 31428718800372 is 27300881782413.

31428718800372 is a `hidden beast` number, since 3 + 1 + 428 + 7 + 188 + 0 + 0 + 37 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31428718800373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21461443 + ... + 22879050.

It is an arithmetic number, because the mean of its divisors is an integer number (1697797515260).

Almost surely, 2^{31428718800372} is an apocalyptic number.

It is an amenable number.

31428718800372 is an abundant number, since it is smaller than the sum of its proper divisors (50065561932108).

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

31428718800372 is a wasteful number, since it uses less digits than its factorization.

31428718800372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44347069 (or 44347061 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 31428718800372 in words is "thirty-one trillion, four hundred twenty-eight billion, seven hundred eighteen million, eight hundred thousand, three hundred seventy-two".