113220313 has 2 divisors, whose sum is σ = 113220314. Its totient is φ = 113220312.

The previous prime is 113220307. The next prime is 113220353. The reversal of 113220313 is 313022311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 17239104 = 9797^2 + 4152^2 .

It is a cyclic number.

It is not a de Polignac number, because 113220313 - 2⁵ = 113220281 is a prime.

It is not a weakly prime, because it can be changed into another prime (113220353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610156 + 56610157.

It is an arithmetic number, because the mean of its divisors is an integer number (56610157).

Almost surely, 2^113220313 is an apocalyptic number.

It is an amenable number.

113220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

113220313 is an equidigital number, since it uses as much as digits as its factorization.

113220313 is an evil number, because the sum of its binary digits is even.

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

The square root of 113220313 is about 10640.5034185418. The cubic root of 113220313 is about 483.7728042007.

Adding to 113220313 its reverse (313022311), we get a palindrome (426242624).

The spelling of 113220313 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred thirteen".