113031019877 has 2 divisors, whose sum is σ = 113031019878. Its totient is φ = 113031019876.

The previous prime is 113031019853. The next prime is 113031019897. The reversal of 113031019877 is 778910130311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110916307681 + 2114712196 = 333041^2 + 45986^2 .

It is a cyclic number.

It is not a de Polignac number, because 113031019877 - 2¹² = 113031015781 is a prime.

It is a super-2 number, since 2×113031019877² (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 (113031019897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56515509938 + 56515509939.

It is an arithmetic number, because the mean of its divisors is an integer number (56515509939).

Almost surely, 2^113031019877 is an apocalyptic number.

It is an amenable number.

113031019877 is a deficient number, since it is larger than the sum of its proper divisors (1).

113031019877 is an equidigital number, since it uses as much as digits as its factorization.

113031019877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 113031019877 in words is "one hundred thirteen billion, thirty-one million, nineteen thousand, eight hundred seventy-seven".