31613052 has 24 divisors (see below), whose sum is σ = 74443600. Its totient is φ = 10440576.

The previous prime is 31613027. The next prime is 31613053. The reversal of 31613052 is 25031613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31613053) 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, 10777 + ... + 13392.

Almost surely, 2^31613052 is an apocalyptic number.

It is an amenable number.

31613052 is an abundant number, since it is smaller than the sum of its proper divisors (42830548).

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

31613052 is a wasteful number, since it uses less digits than its factorization.

31613052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24285 (or 24283 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 31613052 is about 5622.5485324717. The cubic root of 31613052 is about 316.1953473545.

Adding to 31613052 its reverse (25031613), we get a palindrome (56644665).

The spelling of 31613052 in words is "thirty-one million, six hundred thirteen thousand, fifty-two".