113247057631 has 2 divisors, whose sum is σ = 113247057632. Its totient is φ = 113247057630.

The previous prime is 113247057613. The next prime is 113247057641. The reversal of 113247057631 is 136750742311.

Together with previous prime (113247057613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (136750742311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113247057631 is a prime.

It is a super-2 number, since 2×113247057631² (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 (113247057641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56623528815 + 56623528816.

It is an arithmetic number, because the mean of its divisors is an integer number (56623528816).

Almost surely, 2^113247057631 is an apocalyptic number.

113247057631 is a deficient number, since it is larger than the sum of its proper divisors (1).

113247057631 is an equidigital number, since it uses as much as digits as its factorization.

113247057631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

Adding to 113247057631 its reverse (136750742311), we get a palindrome (249997799942).

The spelling of 113247057631 in words is "one hundred thirteen billion, two hundred forty-seven million, fifty-seven thousand, six hundred thirty-one".