2312113022321 has 4 divisors (see below), whose sum is σ = 2312168929392. Its totient is φ = 2312057115252.

The previous prime is 2312113022269. The next prime is 2312113022353. The reversal of 2312113022321 is 1232203112132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312113022321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312113022621) 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, 27891455 + ... + 27974228.

It is an arithmetic number, because the mean of its divisors is an integer number (578042232348).

Almost surely, 2^{2312113022321} is an apocalyptic number.

It is an amenable number.

2312113022321 is a deficient number, since it is larger than the sum of its proper divisors (55907071).

2312113022321 is an equidigital number, since it uses as much as digits as its factorization.

2312113022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55907070.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2312113022321 its reverse (1232203112132), we get a palindrome (3544316134453).

The spelling of 2312113022321 in words is "two trillion, three hundred twelve billion, one hundred thirteen million, twenty-two thousand, three hundred twenty-one".