31031609134 has 16 divisors (see below), whose sum is σ = 49005014400. Its totient is φ = 14696862264.

The previous prime is 31031609129. The next prime is 31031609149. The reversal of 31031609134 is 43190613013.

It is a junction number, because it is equal to n+sod(n) for n = 31031609096 and 31031609105.

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, 192669 + ... + 314935.

It is an arithmetic number, because the mean of its divisors is an integer number (3062813400).

Almost surely, 2^31031609134 is an apocalyptic number.

31031609134 is a deficient number, since it is larger than the sum of its proper divisors (17973405266).

31031609134 is a wasteful number, since it uses less digits than its factorization.

31031609134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128967.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 31031609134 in words is "thirty-one billion, thirty-one million, six hundred nine thousand, one hundred thirty-four".