113112131357 has 2 divisors, whose sum is σ = 113112131358. Its totient is φ = 113112131356.

The previous prime is 113112131221. The next prime is 113112131383. The reversal of 113112131357 is 753131211311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81104774521 + 32007356836 = 284789^2 + 178906^2 .

It is a cyclic number.

It is not a de Polignac number, because 113112131357 - 2²⁸ = 112843695901 is a prime.

It is a super-2 number, since 2×113112131357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113112133357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556065678 + 56556065679.

It is an arithmetic number, because the mean of its divisors is an integer number (56556065679).

Almost surely, 2^113112131357 is an apocalyptic number.

It is an amenable number.

113112131357 is a deficient number, since it is larger than the sum of its proper divisors (1).

113112131357 is an equidigital number, since it uses as much as digits as its factorization.

113112131357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

Adding to 113112131357 its reverse (753131211311), we get a palindrome (866243342668).

The spelling of 113112131357 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thirty-one thousand, three hundred fifty-seven".