113012231321 has 16 divisors (see below), whose sum is σ = 130741345728. Its totient is φ = 96544473600.

The previous prime is 113012231237. The next prime is 113012231329. The reversal of 113012231321 is 123132210311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113012231321 - 2¹⁰ = 113012230297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113012231293 and 113012231302.

It is not an unprimeable number, because it can be changed into a prime (113012231329) 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, 349700 + ... + 590181.

It is an arithmetic number, because the mean of its divisors is an integer number (8171334108).

Almost surely, 2^113012231321 is an apocalyptic number.

113012231321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113012231321 is a deficient number, since it is larger than the sum of its proper divisors (17729114407).

113012231321 is a wasteful number, since it uses less digits than its factorization.

113012231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940552.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113012231321 its reverse (123132210311), we get a palindrome (236144441632).

The spelling of 113012231321 in words is "one hundred thirteen billion, twelve million, two hundred thirty-one thousand, three hundred twenty-one".