113321313 has 24 divisors (see below), whose sum is σ = 189446400. Its totient is φ = 63932544.

The previous prime is 113321309. The next prime is 113321353. The reversal of 113321313 is 313123311.

It is a happy number.

It is not a de Polignac number, because 113321313 - 2² = 113321309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113321353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6408 + ... + 16361.

It is an arithmetic number, because the mean of its divisors is an integer number (7893600).

Almost surely, 2^113321313 is an apocalyptic number.

It is an amenable number.

113321313 is a deficient number, since it is larger than the sum of its proper divisors (76125087).

113321313 is a wasteful number, since it uses less digits than its factorization.

113321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861 (or 22858 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 113321313 is about 10645.2483766233. The cubic root of 113321313 is about 483.9166138818.

Adding to 113321313 its reverse (313123311), we get a palindrome (426444624).

The spelling of 113321313 in words is "one hundred thirteen million, three hundred twenty-one thousand, three hundred thirteen".