31113832142 has 16 divisors (see below), whose sum is σ = 47442057264. Its totient is φ = 15299880000.

The previous prime is 31113832129. The next prime is 31113832151. The reversal of 31113832142 is 24123831113.

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, 1428917 + ... + 1450527.

It is an arithmetic number, because the mean of its divisors is an integer number (2965128579).

Almost surely, 2^31113832142 is an apocalyptic number.

31113832142 is a deficient number, since it is larger than the sum of its proper divisors (16328225122).

31113832142 is a wasteful number, since it uses less digits than its factorization.

31113832142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33475.

The product of its digits is 3456, while the sum is 29.

The spelling of 31113832142 in words is "thirty-one billion, one hundred thirteen million, eight hundred thirty-two thousand, one hundred forty-two".