113320321 has 2 divisors, whose sum is σ = 113320322. Its totient is φ = 113320320.

The previous prime is 113320301. The next prime is 113320327. The reversal of 113320321 is 123023311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 26625600 = 9311^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 113320321 - 2⁵ = 113320289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113320295 and 113320304.

It is not a weakly prime, because it can be changed into another prime (113320327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56660160 + 56660161.

It is an arithmetic number, because the mean of its divisors is an integer number (56660161).

Almost surely, 2^113320321 is an apocalyptic number.

It is an amenable number.

113320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113320321 is an equidigital number, since it uses as much as digits as its factorization.

113320321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113320321 is about 10645.2017829631. The cubic root of 113320321 is about 483.9152018300.

Adding to 113320321 its reverse (123023311), we get a palindrome (236343632).

The spelling of 113320321 in words is "one hundred thirteen million, three hundred twenty thousand, three hundred twenty-one".