113012321 has 8 divisors (see below), whose sum is σ = 115986624. Its totient is φ = 110074320.

The previous prime is 113012309. The next prime is 113012327. The reversal of 113012321 is 123210311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113012321 - 2⁶ = 113012257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113012296 and 113012305.

It is not an unprimeable number, because it can be changed into a prime (113012327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (14498328).

Almost surely, 2^113012321 is an apocalyptic number.

It is an amenable number.

113012321 is a deficient number, since it is larger than the sum of its proper divisors (2974303).

113012321 is a wasteful number, since it uses less digits than its factorization.

113012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18151.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113012321 is about 10630.7253280291. The cubic root of 113012321 is about 483.4763834473.

Adding to 113012321 its reverse (123210311), we get a palindrome (236222632).

The spelling of 113012321 in words is "one hundred thirteen million, twelve thousand, three hundred twenty-one".