113221303313 has 2 divisors, whose sum is σ = 113221303314. Its totient is φ = 113221303312.

The previous prime is 113221303309. The next prime is 113221303337. The reversal of 113221303313 is 313303122311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112122513409 + 1098789904 = 334847^2 + 33148^2 .

It is a cyclic number.

It is not a de Polignac number, because 113221303313 - 2² = 113221303309 is a prime.

It is not a weakly prime, because it can be changed into another prime (113221303913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610651656 + 56610651657.

It is an arithmetic number, because the mean of its divisors is an integer number (56610651657).

Almost surely, 2^113221303313 is an apocalyptic number.

It is an amenable number.

113221303313 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221303313 is an equidigital number, since it uses as much as digits as its factorization.

113221303313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113221303313 its reverse (313303122311), we get a palindrome (426524425624).

The spelling of 113221303313 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred three thousand, three hundred thirteen".