31600053 has 24 divisors (see below), whose sum is σ = 48386520. Its totient is φ = 19837440.

The previous prime is 31600043. The next prime is 31600057. The reversal of 31600053 is 35000613.

It can be written as a sum of positive squares in 4 ways, for example, as 2634129 + 28965924 = 1623^2 + 5382^2 .

It is a de Polignac number, because none of the positive numbers 2^k-31600053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31599999 and 31600035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31600057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9225 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (2016105).

Almost surely, 2^31600053 is an apocalyptic number.

It is an amenable number.

31600053 is a deficient number, since it is larger than the sum of its proper divisors (16786467).

31600053 is a wasteful number, since it uses less digits than its factorization.

31600053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 31600053 is about 5621.3924431585. The cubic root of 31600053 is about 316.1520025275.

Adding to 31600053 its reverse (35000613), we get a palindrome (66600666).

The spelling of 31600053 in words is "thirty-one million, six hundred thousand, fifty-three".