31331133013201 has 16 divisors (see below), whose sum is σ = 38232762061824. Its totient is φ = 25090250091984.

The previous prime is 31331133013199. The next prime is 31331133013217. The reversal of 31331133013201 is 10231033113313.

It is not a de Polignac number, because 31331133013201 - 2¹ = 31331133013199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31331133013241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262822271 + ... + 2262836116.

It is an arithmetic number, because the mean of its divisors is an integer number (2389547628864).

Almost surely, 2^{31331133013201} is an apocalyptic number.

It is an amenable number.

31331133013201 is a deficient number, since it is larger than the sum of its proper divisors (6901629048623).

31331133013201 is a wasteful number, since it uses less digits than its factorization.

31331133013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525658460.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31331133013201 its reverse (10231033113313), we get a palindrome (41562166126514).

The spelling of 31331133013201 in words is "thirty-one trillion, three hundred thirty-one billion, one hundred thirty-three million, thirteen thousand, two hundred one".