31372894080 has 448 divisors, whose sum is σ = 122692572720. Its totient is φ = 7604305920.

The previous prime is 31372894067. The next prime is 31372894087. The reversal of 31372894080 is 8049827313.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31372894087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5129104 + ... + 5135216.

Almost surely, 2^31372894080 is an apocalyptic number.

31372894080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31372894080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61346286360).

31372894080 is an abundant number, since it is smaller than the sum of its proper divisors (91319678640).

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

31372894080 is an equidigital number, since it uses as much as digits as its factorization.

31372894080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161 (or 6134 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 31372894080 in words is "thirty-one billion, three hundred seventy-two million, eight hundred ninety-four thousand, eighty".