113003031157 has 2 divisors, whose sum is σ = 113003031158. Its totient is φ = 113003031156.

The previous prime is 113003031101. The next prime is 113003031179. The reversal of 113003031157 is 751130300311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100396457316 + 12606573841 = 316854^2 + 112279^2 .

It is a cyclic number.

It is not a de Polignac number, because 113003031157 - 2²⁷ = 112868813429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113003032157) 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, 56501515578 + 56501515579.

It is an arithmetic number, because the mean of its divisors is an integer number (56501515579).

Almost surely, 2^113003031157 is an apocalyptic number.

It is an amenable number.

113003031157 is a deficient number, since it is larger than the sum of its proper divisors (1).

113003031157 is an equidigital number, since it uses as much as digits as its factorization.

113003031157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

Adding to 113003031157 its reverse (751130300311), we get a palindrome (864133331468).

The spelling of 113003031157 in words is "one hundred thirteen billion, three million, thirty-one thousand, one hundred fifty-seven".