31452221045152 has 24 divisors (see below), whose sum is σ = 65180589667200. Its totient is φ = 14898420494784.

The previous prime is 31452221045099. The next prime is 31452221045159. The reversal of 31452221045152 is 25154012225413.

It is not an unprimeable number, because it can be changed into a prime (31452221045159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25865312752 + ... + 25865313967.

It is an arithmetic number, because the mean of its divisors is an integer number (2715857902800).

Almost surely, 2^{31452221045152} is an apocalyptic number.

31452221045152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31452221045152 is an abundant number, since it is smaller than the sum of its proper divisors (33728368622048).

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

31452221045152 is a wasteful number, since it uses less digits than its factorization.

31452221045152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51730626748 (or 51730626740 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 31452221045152 in words is "thirty-one trillion, four hundred fifty-two billion, two hundred twenty-one million, forty-five thousand, one hundred fifty-two".