113113321 has 2 divisors, whose sum is σ = 113113322. Its totient is φ = 113113320.

The previous prime is 113113307. The next prime is 113113331. The reversal of 113113321 is 123311311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 48149721 = 8060^2 + 6939^2 .

It is a cyclic number.

It is not a de Polignac number, because 113113321 - 2⁷ = 113113193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113113295 and 113113304.

It is not a weakly prime, because it can be changed into another prime (113113331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556660 + 56556661.

It is an arithmetic number, because the mean of its divisors is an integer number (56556661).

Almost surely, 2^113113321 is an apocalyptic number.

It is an amenable number.

113113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113321 is an equidigital number, since it uses as much as digits as its factorization.

113113321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 16.

The square root of 113113321 is about 10635.4746485524. The cubic root of 113113321 is about 483.6203694440.

Adding to 113113321 its reverse (123311311), we get a palindrome (236424632).

It can be divided in two parts, 1131 and 13321, that multiplied together give a palindrome (15066051).

The spelling of 113113321 in words is "one hundred thirteen million, one hundred thirteen thousand, three hundred twenty-one".