31135103994 has 16 divisors (see below), whose sum is σ = 62365576032. Its totient is φ = 10362473328.

The previous prime is 31135103963. The next prime is 31135103999. The reversal of 31135103994 is 49930153113.

It is not an unprimeable number, because it can be changed into a prime (31135103999) 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, 3969424 + ... + 3977259.

It is an arithmetic number, because the mean of its divisors is an integer number (3897848502).

Almost surely, 2^31135103994 is an apocalyptic number.

31135103994 is an abundant number, since it is smaller than the sum of its proper divisors (31230472038).

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

31135103994 is a wasteful number, since it uses less digits than its factorization.

31135103994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947341.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 31135103994 in words is "thirty-one billion, one hundred thirty-five million, one hundred three thousand, nine hundred ninety-four".