31204431343132 has 12 divisors (see below), whose sum is σ = 54623661590176. Its totient is φ = 15597670888800.

The previous prime is 31204431343123. The next prime is 31204431343171. The reversal of 31204431343132 is 23134313440213.

31204431343132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136180244 + ... + 1136207707.

Almost surely, 2^{31204431343132} is an apocalyptic number.

It is an amenable number.

31204431343132 is a deficient number, since it is larger than the sum of its proper divisors (23419230247044).

31204431343132 is a wasteful number, since it uses less digits than its factorization.

31204431343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272391388 (or 2272391386 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 31204431343132 its reverse (23134313440213), we get a palindrome (54338744783345).

The spelling of 31204431343132 in words is "thirty-one trillion, two hundred four billion, four hundred thirty-one million, three hundred forty-three thousand, one hundred thirty-two".