113203131137 has 2 divisors, whose sum is σ = 113203131138. Its totient is φ = 113203131136.

The previous prime is 113203131113. The next prime is 113203131169. The reversal of 113203131137 is 731131302311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83246098576 + 29957032561 = 288524^2 + 173081^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203131137 - 2¹⁰ = 113203130113 is a prime.

It is not a weakly prime, because it can be changed into another prime (113203130137) 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, 56601565568 + 56601565569.

It is an arithmetic number, because the mean of its divisors is an integer number (56601565569).

Almost surely, 2^113203131137 is an apocalyptic number.

It is an amenable number.

113203131137 is a deficient number, since it is larger than the sum of its proper divisors (1).

113203131137 is an equidigital number, since it uses as much as digits as its factorization.

113203131137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

Adding to 113203131137 its reverse (731131302311), we get a palindrome (844334433448).

The spelling of 113203131137 in words is "one hundred thirteen billion, two hundred three million, one hundred thirty-one thousand, one hundred thirty-seven".