113231031101 has 2 divisors, whose sum is σ = 113231031102. Its totient is φ = 113231031100.

The previous prime is 113231031059. The next prime is 113231031103. The reversal of 113231031101 is 101130132311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70071384100 + 43159647001 = 264710^2 + 207749^2 .

It is a cyclic number.

It is not a de Polignac number, because 113231031101 - 2¹⁸ = 113230768957 is a prime.

Together with 113231031103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113231031101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113231031103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56615515550 + 56615515551.

It is an arithmetic number, because the mean of its divisors is an integer number (56615515551).

Almost surely, 2^113231031101 is an apocalyptic number.

It is an amenable number.

113231031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

113231031101 is an equidigital number, since it uses as much as digits as its factorization.

113231031101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113231031101 its reverse (101130132311), we get a palindrome (214361163412).

The spelling of 113231031101 in words is "one hundred thirteen billion, two hundred thirty-one million, thirty-one thousand, one hundred one".