113130109 has 2 divisors, whose sum is σ = 113130110. Its totient is φ = 113130108.

The previous prime is 113130049. The next prime is 113130113. The reversal of 113130109 is 901031311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 558009 = 10610^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 113130109 - 2²³ = 104741501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113130179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565054 + 56565055.

It is an arithmetic number, because the mean of its divisors is an integer number (56565055).

Almost surely, 2^113130109 is an apocalyptic number.

It is an amenable number.

113130109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113130109 is an equidigital number, since it uses as much as digits as its factorization.

113130109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 113130109 is about 10636.2638647224. The cubic root of 113130109 is about 483.6442941744.

The spelling of 113130109 in words is "one hundred thirteen million, one hundred thirty thousand, one hundred nine".