2313121033 has 2 divisors, whose sum is σ = 2313121034. Its totient is φ = 2313121032.

The previous prime is 2313121021. The next prime is 2313121043. The reversal of 2313121033 is 3301213132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362200464 + 950920569 = 36908^2 + 30837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2313121033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313121033.

It is not a weakly prime, because it can be changed into another prime (2313121043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156560516 + 1156560517.

It is an arithmetic number, because the mean of its divisors is an integer number (1156560517).

Almost surely, 2^2313121033 is an apocalyptic number.

It is an amenable number.

2313121033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313121033 is an equidigital number, since it uses as much as digits as its factorization.

2313121033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2313121033 is about 48094.9169143684. The cubic root of 2313121033 is about 1322.5114859227.

Adding to 2313121033 its reverse (3301213132), we get a palindrome (5614334165).

The spelling of 2313121033 in words is "two billion, three hundred thirteen million, one hundred twenty-one thousand, thirty-three".