31332032112100 has 18 divisors (see below), whose sum is σ = 67990509683474. Its totient is φ = 12532812844800.

The previous prime is 31332032112079. The next prime is 31332032112103. The reversal of 31332032112100 is 121123023313.

It can be written as a sum of positive squares in 3 ways, for example, as 19793113344 + 31312238998756 = 140688^2 + 5595734^2 .

It is not an unprimeable number, because it can be changed into a prime (31332032112103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156660160461 + ... + 156660160660.

Almost surely, 2^{31332032112100} is an apocalyptic number.

It is an amenable number.

31332032112100 is an abundant number, since it is smaller than the sum of its proper divisors (36658477571374).

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

31332032112100 is a wasteful number, since it uses less digits than its factorization.

31332032112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313320321135 (or 313320321128 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31332032112100 its reverse (121123023313), we get a palindrome (31453155135413).

The spelling of 31332032112100 in words is "thirty-one trillion, three hundred thirty-two billion, thirty-two million, one hundred twelve thousand, one hundred".