2313231333121 has 2 divisors, whose sum is σ = 2313231333122. Its totient is φ = 2313231333120.

The previous prime is 2313231333037. The next prime is 2313231333221. The reversal of 2313231333121 is 1213331323132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792653210000 + 520578123121 = 1338900^2 + 721511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313231333121 - 2¹⁵ = 2313231300353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313231333121.

It is not a weakly prime, because it can be changed into another prime (2313231333221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156615666560 + 1156615666561.

It is an arithmetic number, because the mean of its divisors is an integer number (1156615666561).

Almost surely, 2^{2313231333121} is an apocalyptic number.

It is an amenable number.

2313231333121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313231333121 is an equidigital number, since it uses as much as digits as its factorization.

2313231333121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

Adding to 2313231333121 its reverse (1213331323132), we get a palindrome (3526562656253).

The spelling of 2313231333121 in words is "two trillion, three hundred thirteen billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred twenty-one".