113042342137 has 2 divisors, whose sum is σ = 113042342138. Its totient is φ = 113042342136.

The previous prime is 113042342131. The next prime is 113042342173. The reversal of 113042342137 is 731243240311.

Together with next prime (113042342173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65972436201 + 47069905936 = 256851^2 + 216956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113042342137 is a prime.

It is a super-3 number, since 3×113042342137³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 113042342099 and 113042342108.

It is not a weakly prime, because it can be changed into another prime (113042342131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56521171068 + 56521171069.

It is an arithmetic number, because the mean of its divisors is an integer number (56521171069).

Almost surely, 2^113042342137 is an apocalyptic number.

It is an amenable number.

113042342137 is a deficient number, since it is larger than the sum of its proper divisors (1).

113042342137 is an equidigital number, since it uses as much as digits as its factorization.

113042342137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 113042342137 its reverse (731243240311), we get a palindrome (844285582448).

The spelling of 113042342137 in words is "one hundred thirteen billion, forty-two million, three hundred forty-two thousand, one hundred thirty-seven".