31134712 has 32 divisors (see below), whose sum is σ = 66971520. Its totient is φ = 13292640.

The previous prime is 31134679. The next prime is 31134721. The reversal of 31134712 is 21743113.

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, 16287 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (2092860).

Almost surely, 2^31134712 is an apocalyptic number.

It is an amenable number.

31134712 is an abundant number, since it is smaller than the sum of its proper divisors (35836808).

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

31134712 is a wasteful number, since it uses less digits than its factorization.

31134712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2127 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 31134712 is about 5579.8487434697. The cubic root of 31134712 is about 314.5924417559.

Adding to 31134712 its reverse (21743113), we get a palindrome (52877825).

The spelling of 31134712 in words is "thirty-one million, one hundred thirty-four thousand, seven hundred twelve".