31201426018790 has 16 divisors (see below), whose sum is σ = 56953588903200. Its totient is φ = 12304787725440.

The previous prime is 31201426018769. The next prime is 31201426018799. The reversal of 31201426018790 is 9781062410213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201426018799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21972834515 + ... + 21972835934.

It is an arithmetic number, because the mean of its divisors is an integer number (3559599306450).

Almost surely, 2^{31201426018790} is an apocalyptic number.

31201426018790 is a deficient number, since it is larger than the sum of its proper divisors (25752162884410).

31201426018790 is a wasteful number, since it uses less digits than its factorization.

31201426018790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43945670527.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 31201426018790 in words is "thirty-one trillion, two hundred one billion, four hundred twenty-six million, eighteen thousand, seven hundred ninety".