31079952 has 30 divisors (see below), whose sum is σ = 86981102. Its totient is φ = 10359936.

The previous prime is 31079947. The next prime is 31079959. The reversal of 31079952 is 25997013.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 2178576 = 5376^2 + 1476^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31079959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107773 + ... + 108060.

Almost surely, 2^31079952 is an apocalyptic number.

It is an amenable number.

31079952 is an abundant number, since it is smaller than the sum of its proper divisors (55901150).

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

31079952 is a wasteful number, since it uses less digits than its factorization.

31079952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215847 (or 215838 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 31079952 is about 5574.9396409289. The cubic root of 31079952 is about 314.4078975543.

The spelling of 31079952 in words is "thirty-one million, seventy-nine thousand, nine hundred fifty-two".