113312321313 has 16 divisors (see below), whose sum is σ = 151548042240. Its totient is φ = 75309197904.

The previous prime is 113312321183. The next prime is 113312321333. The reversal of 113312321313 is 313123213311.

It is not a de Polignac number, because 113312321313 - 2¹⁸ = 113312059169 is a prime.

It is a super-2 number, since 2×113312321313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113312321333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4233270 + ... + 4259952.

It is an arithmetic number, because the mean of its divisors is an integer number (9471752640).

Almost surely, 2^113312321313 is an apocalyptic number.

It is an amenable number.

113312321313 is a deficient number, since it is larger than the sum of its proper divisors (38235720927).

113312321313 is a wasteful number, since it uses less digits than its factorization.

113312321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30988.

The product of its digits is 972, while the sum is 24.

Adding to 113312321313 its reverse (313123213311), we get a palindrome (426435534624).

The spelling of 113312321313 in words is "one hundred thirteen billion, three hundred twelve million, three hundred twenty-one thousand, three hundred thirteen".