31052314993920 has 288 divisors, whose sum is σ = 108404250200064. Its totient is φ = 7512862924800.

The previous prime is 31052314993901. The next prime is 31052314993991. The reversal of 31052314993920 is 2939941325013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20515965 + ... + 21977475.

It is an arithmetic number, because the mean of its divisors is an integer number (376403646528).

Almost surely, 2^{31052314993920} is an apocalyptic number.

31052314993920 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 31052314993920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54202125100032).

31052314993920 is an abundant number, since it is smaller than the sum of its proper divisors (77351935206144).

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

31052314993920 is a wasteful number, since it uses less digits than its factorization.

31052314993920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462049 (or 1462035 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 31052314993920 in words is "thirty-one trillion, fifty-two billion, three hundred fourteen million, nine hundred ninety-three thousand, nine hundred twenty".