31372052 has 24 divisors (see below), whose sum is σ = 56550312. Its totient is φ = 15219200.

The previous prime is 31372051. The next prime is 31372111. The reversal of 31372052 is 25027313.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 30514576 = 926^2 + 5524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31372051) 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, 37802 + ... + 38622.

It is an arithmetic number, because the mean of its divisors is an integer number (2356263).

Almost surely, 2^31372052 is an apocalyptic number.

It is an amenable number.

31372052 is a deficient number, since it is larger than the sum of its proper divisors (25178260).

31372052 is a wasteful number, since it uses less digits than its factorization.

31372052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 31372052 is about 5601.0759680619. The cubic root of 31372052 is about 315.3897987891.

Adding to 31372052 its reverse (25027313), we get a palindrome (56399365).

The spelling of 31372052 in words is "thirty-one million, three hundred seventy-two thousand, fifty-two".