31068506 has 16 divisors (see below), whose sum is σ = 53370816. Its totient is φ = 13287456.

The previous prime is 31068491. The next prime is 31068511. The reversal of 31068506 is 60586013.

It is a Curzon 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, 5630 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (3335676).

Almost surely, 2^31068506 is an apocalyptic number.

31068506 is a deficient number, since it is larger than the sum of its proper divisors (22302310).

31068506 is a wasteful number, since it uses less digits than its factorization.

31068506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 31068506 is about 5573.9129881978. The cubic root of 31068506 is about 314.3692965223.

The spelling of 31068506 in words is "thirty-one million, sixty-eight thousand, five hundred six".