31613436435444 has 12 divisors (see below), whose sum is σ = 73764685016064. Its totient is φ = 10537812145144.

The previous prime is 31613436435397. The next prime is 31613436435457. The reversal of 31613436435444 is 44453463431613.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1317226518132 + ... + 1317226518155.

It is an arithmetic number, because the mean of its divisors is an integer number (6147057084672).

Almost surely, 2^{31613436435444} is an apocalyptic number.

It is an amenable number.

31613436435444 is an abundant number, since it is smaller than the sum of its proper divisors (42151248580620).

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

31613436435444 is a wasteful number, since it uses less digits than its factorization.

31613436435444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634453036294 (or 2634453036292 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 51.

The spelling of 31613436435444 in words is "thirty-one trillion, six hundred thirteen billion, four hundred thirty-six million, four hundred thirty-five thousand, four hundred forty-four".