31307352404044 has 6 divisors (see below), whose sum is σ = 54787866707084. Its totient is φ = 15653676202020.

The previous prime is 31307352404033. The next prime is 31307352404071. The reversal of 31307352404044 is 44040425370313.

It is a junction number, because it is equal to n+sod(n) for n = 31307352403988 and 31307352404006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913419050502 + ... + 3913419050509.

Almost surely, 2^{31307352404044} is an apocalyptic number.

It is an amenable number.

31307352404044 is a deficient number, since it is larger than the sum of its proper divisors (23480514303040).

31307352404044 is a wasteful number, since it uses less digits than its factorization.

31307352404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826838101015 (or 7826838101013 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

Adding to 31307352404044 its reverse (44040425370313), we get a palindrome (75347777774357).

The spelling of 31307352404044 in words is "thirty-one trillion, three hundred seven billion, three hundred fifty-two million, four hundred four thousand, forty-four".