112320311321 has 4 divisors (see below), whose sum is σ = 114439562532. Its totient is φ = 110201060112.

The previous prime is 112320311317. The next prime is 112320311371. The reversal of 112320311321 is 123113023211.

It is a happy number.

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 31060537600 + 81259773721 = 176240^2 + 285061^2 .

It is a cyclic number.

It is not a de Polignac number, because 112320311321 - 2² = 112320311317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112320311293 and 112320311302.

It is not an unprimeable number, because it can be changed into a prime (112320311371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059625526 + ... + 1059625631.

It is an arithmetic number, because the mean of its divisors is an integer number (28609890633).

Almost surely, 2^112320311321 is an apocalyptic number.

It is an amenable number.

112320311321 is a deficient number, since it is larger than the sum of its proper divisors (2119251211).

112320311321 is an equidigital number, since it uses as much as digits as its factorization.

112320311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119251210.

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

Adding to 112320311321 its reverse (123113023211), we get a palindrome (235433334532).

The spelling of 112320311321 in words is "one hundred twelve billion, three hundred twenty million, three hundred eleven thousand, three hundred twenty-one".