53131113 has 16 divisors (see below), whose sum is σ = 89957760. Its totient is φ = 30360528.

The previous prime is 53131109. The next prime is 53131123. The reversal of 53131113 is 31113135.

It is not a de Polignac number, because 53131113 - 2² = 53131109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53131123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140370 + ... + 140747.

It is an arithmetic number, because the mean of its divisors is an integer number (5622360).

Almost surely, 2^53131113 is an apocalyptic number.

It is an amenable number.

53131113 is a deficient number, since it is larger than the sum of its proper divisors (36826647).

53131113 is a wasteful number, since it uses less digits than its factorization.

53131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281133 (or 281127 counting only the distinct ones).

The product of its digits is 135, while the sum is 18.

The square root of 53131113 is about 7289.1092048343. The cubic root of 53131113 is about 375.9380674552.

Adding to 53131113 its reverse (31113135), we get a palindrome (84244248).

The spelling of 53131113 in words is "fifty-three million, one hundred thirty-one thousand, one hundred thirteen".