113100331321 has 4 divisors (see below), whose sum is σ = 113121123444. Its totient is φ = 113079539200.

The previous prime is 113100331259. The next prime is 113100331327. The reversal of 113100331321 is 123133001311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42184641321 + 70915690000 = 205389^2 + 266300^2 .

It is a cyclic number.

It is not a de Polignac number, because 113100331321 - 2⁷ = 113100331193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113100331327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10387900 + ... + 10398781.

It is an arithmetic number, because the mean of its divisors is an integer number (28280280861).

Almost surely, 2^113100331321 is an apocalyptic number.

It is an amenable number.

113100331321 is a deficient number, since it is larger than the sum of its proper divisors (20792123).

113100331321 is an equidigital number, since it uses as much as digits as its factorization.

113100331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792122.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113100331321 its reverse (123133001311), we get a palindrome (236233332632).

The spelling of 113100331321 in words is "one hundred thirteen billion, one hundred million, three hundred thirty-one thousand, three hundred twenty-one".