113252131 has 2 divisors, whose sum is σ = 113252132. Its totient is φ = 113252130.

The previous prime is 113252119. The next prime is 113252137. The reversal of 113252131 is 131252311.

It is a strong prime.

It is an emirp because it is prime and its reverse (131252311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113252131 - 2⁵ = 113252099 is a prime.

It is a super-2 number, since 2×113252131² = 25652090352082322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113252099 and 113252108.

It is not a weakly prime, because it can be changed into another prime (113252137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56626065 + 56626066.

It is an arithmetic number, because the mean of its divisors is an integer number (56626066).

Almost surely, 2^113252131 is an apocalyptic number.

113252131 is a deficient number, since it is larger than the sum of its proper divisors (1).

113252131 is an equidigital number, since it uses as much as digits as its factorization.

113252131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 113252131 is about 10641.9984495394. The cubic root of 113252131 is about 483.8181177461.

Adding to 113252131 its product of digits (180), we get a palindrome (113252311).

It can be divided in two parts, 11325 and 2131, that added together give a square (13456 = 116²).

The spelling of 113252131 in words is "one hundred thirteen million, two hundred fifty-two thousand, one hundred thirty-one".