2313123221351 has 2 divisors, whose sum is σ = 2313123221352. Its totient is φ = 2313123221350.

The previous prime is 2313123221333. The next prime is 2313123221359. The reversal of 2313123221351 is 1531223213132.

2313123221351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2313123221351 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313123221359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156561610675 + 1156561610676.

It is an arithmetic number, because the mean of its divisors is an integer number (1156561610676).

Almost surely, 2^{2313123221351} is an apocalyptic number.

2313123221351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313123221351 is an equidigital number, since it uses as much as digits as its factorization.

2313123221351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

Adding to 2313123221351 its reverse (1531223213132), we get a palindrome (3844346434483).

The spelling of 2313123221351 in words is "two trillion, three hundred thirteen billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred fifty-one".