113231231110397 has 2 divisors, whose sum is σ = 113231231110398. Its totient is φ = 113231231110396.

The previous prime is 113231231110391. The next prime is 113231231110489. The reversal of 113231231110397 is 793011132132311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99150830417401 + 14080400692996 = 9957451^2 + 3752386^2 .

It is an emirp because it is prime and its reverse (793011132132311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113231231110397 - 2²⁶ = 113231164001533 is a prime.

It is a super-2 number, since 2×113231231110397² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113231231110397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113231231110391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56615615555198 + 56615615555199.

It is an arithmetic number, because the mean of its divisors is an integer number (56615615555199).

Almost surely, 2^{113231231110397} is an apocalyptic number.

It is an amenable number.

113231231110397 is a deficient number, since it is larger than the sum of its proper divisors (1).

113231231110397 is an equidigital number, since it uses as much as digits as its factorization.

113231231110397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 113231231110397 in words is "one hundred thirteen trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, three hundred ninety-seven".