31339134 has 12 divisors (see below), whose sum is σ = 67901496. Its totient is φ = 10446372.

The previous prime is 31339103. The next prime is 31339157. The reversal of 31339134 is 43193313.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31339098 and 31339107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 870514 + ... + 870549.

It is an arithmetic number, because the mean of its divisors is an integer number (5658458).

Almost surely, 2^31339134 is an apocalyptic number.

31339134 is an abundant number, since it is smaller than the sum of its proper divisors (36562362).

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

31339134 is a wasteful number, since it uses less digits than its factorization.

31339134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741071 (or 1741068 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 31339134 is about 5598.1366542806. The cubic root of 31339134 is about 315.2794496720.

The spelling of 31339134 in words is "thirty-one million, three hundred thirty-nine thousand, one hundred thirty-four".