31103400530452 has 24 divisors (see below), whose sum is σ = 55028014872320. Its totient is φ = 15381320014080.

The previous prime is 31103400530407. The next prime is 31103400530471. The reversal of 31103400530452 is 25403500430113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25586052 + ... + 26774107.

Almost surely, 2^{31103400530452} is an apocalyptic number.

It is an amenable number.

31103400530452 is a deficient number, since it is larger than the sum of its proper divisors (23924614341868).

31103400530452 is a wasteful number, since it uses less digits than its factorization.

31103400530452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52361791 (or 52361789 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 31103400530452 its reverse (25403500430113), we get a palindrome (56506900960565).

The spelling of 31103400530452 in words is "thirty-one trillion, one hundred three billion, four hundred million, five hundred thirty thousand, four hundred fifty-two".