31068136 has 16 divisors (see below), whose sum is σ = 63548640. Its totient is φ = 14121840.

The previous prime is 31068127. The next prime is 31068151. The reversal of 31068136 is 63186013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176436 + ... + 176611.

It is an arithmetic number, because the mean of its divisors is an integer number (3971790).

Almost surely, 2^31068136 is an apocalyptic number.

It is an amenable number.

31068136 is an abundant number, since it is smaller than the sum of its proper divisors (32480504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31068136 is a wasteful number, since it uses less digits than its factorization.

31068136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353064 (or 353060 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31068136 is about 5573.8797977710. The cubic root of 31068136 is about 314.3680485587.

The spelling of 31068136 in words is "thirty-one million, sixty-eight thousand, one hundred thirty-six".