31364712 has 32 divisors (see below), whose sum is σ = 87124800. Its totient is φ = 10454832.

The previous prime is 31364701. The next prime is 31364717. The reversal of 31364712 is 21746313.

31364712 is a `hidden beast` number, since 3 + 1 + 3 + 647 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31364717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72388 + ... + 72819.

It is an arithmetic number, because the mean of its divisors is an integer number (2722650).

Almost surely, 2^31364712 is an apocalyptic number.

It is an amenable number.

31364712 is an abundant number, since it is smaller than the sum of its proper divisors (55760088).

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

31364712 is a wasteful number, since it uses less digits than its factorization.

31364712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145222 (or 145212 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 31364712 is about 5600.4206984833. The cubic root of 31364712 is about 315.3652000190.

It can be divided in two parts, 313 and 64712, that added together give a square (65025 = 255²).

The spelling of 31364712 in words is "thirty-one million, three hundred sixty-four thousand, seven hundred twelve".