31044351338 has 128 divisors (see below), whose sum is σ = 69080739840. Its totient is φ = 10050923520.

The previous prime is 31044351263. The next prime is 31044351397. The reversal of 31044351338 is 83315344013.

It is a junction number, because it is equal to n+sod(n) for n = 31044351298 and 31044351307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 762953 + ... + 802611.

It is an arithmetic number, because the mean of its divisors is an integer number (539693280).

Almost surely, 2^31044351338 is an apocalyptic number.

31044351338 is an abundant number, since it is smaller than the sum of its proper divisors (38036388502).

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

31044351338 is a wasteful number, since it uses less digits than its factorization.

31044351338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39732.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 31044351338 in words is "thirty-one billion, forty-four million, three hundred fifty-one thousand, three hundred thirty-eight".