113130344209 has 2 divisors, whose sum is σ = 113130344210. Its totient is φ = 113130344208.

The previous prime is 113130344147. The next prime is 113130344221. The reversal of 113130344209 is 902443031311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112707918400 + 422425809 = 335720^2 + 20553^2 .

It is a cyclic number.

It is not a de Polignac number, because 113130344209 - 2¹¹ = 113130342161 is a prime.

It is not a weakly prime, because it can be changed into another prime (113130344909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565172104 + 56565172105.

It is an arithmetic number, because the mean of its divisors is an integer number (56565172105).

Almost surely, 2^113130344209 is an apocalyptic number.

It is an amenable number.

113130344209 is a deficient number, since it is larger than the sum of its proper divisors (1).

113130344209 is an equidigital number, since it uses as much as digits as its factorization.

113130344209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 113130344209 in words is "one hundred thirteen billion, one hundred thirty million, three hundred forty-four thousand, two hundred nine".