31434375605 has 16 divisors (see below), whose sum is σ = 38248307184. Its totient is φ = 24796316160.

The previous prime is 31434375587. The next prime is 31434375619. The reversal of 31434375605 is 50657343413.

It can be written as a sum of positive squares in 8 ways, for example, as 6401440081 + 25032935524 = 80009^2 + 158218^2 .

It is not a de Polignac number, because 31434375605 - 2²² = 31430181301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677347 + ... + 1695983.

It is an arithmetic number, because the mean of its divisors is an integer number (2390519199).

Almost surely, 2^31434375605 is an apocalyptic number.

It is an amenable number.

31434375605 is a deficient number, since it is larger than the sum of its proper divisors (6813931579).

31434375605 is a wasteful number, since it uses less digits than its factorization.

31434375605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23336.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 31434375605 in words is "thirty-one billion, four hundred thirty-four million, three hundred seventy-five thousand, six hundred five".