31146842 has 16 divisors (see below), whose sum is σ = 47392800. Its totient is φ = 15351120.

The previous prime is 31146823. The next prime is 31146851. The reversal of 31146842 is 24864113.

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, 50009 + ... + 50627.

It is an arithmetic number, because the mean of its divisors is an integer number (2962050).

Almost surely, 2^31146842 is an apocalyptic number.

31146842 is a deficient number, since it is larger than the sum of its proper divisors (16245958).

31146842 is a wasteful number, since it uses less digits than its factorization.

31146842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its digits is 4608, while the sum is 29.

The square root of 31146842 is about 5580.9355846489. The cubic root of 31146842 is about 314.6332912409.

The spelling of 31146842 in words is "thirty-one million, one hundred forty-six thousand, eight hundred forty-two".