31445433052132 has 24 divisors (see below), whose sum is σ = 60032332396512. Its totient is φ = 14293344844800.

The previous prime is 31445433052081. The next prime is 31445433052157. The reversal of 31445433052132 is 23125033454413.

It is a super-2 number, since 2×31445433052132² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36714532 + ... + 37561252.

It is an arithmetic number, because the mean of its divisors is an integer number (2501347183188).

Almost surely, 2^{31445433052132} is an apocalyptic number.

It is an amenable number.

31445433052132 is a deficient number, since it is larger than the sum of its proper divisors (28586899344380).

31445433052132 is a wasteful number, since it uses less digits than its factorization.

31445433052132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690779 (or 1690777 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 31445433052132 in words is "thirty-one trillion, four hundred forty-five billion, four hundred thirty-three million, fifty-two thousand, one hundred thirty-two".