2313313131329 has 2 divisors, whose sum is σ = 2313313131330. Its totient is φ = 2313313131328.

The previous prime is 2313313131257. The next prime is 2313313131361. The reversal of 2313313131329 is 9231313133132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999099071025 + 314214060304 = 1413895^2 + 560548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2313313131329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2313313101329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156656565664 + 1156656565665.

It is an arithmetic number, because the mean of its divisors is an integer number (1156656565665).

Almost surely, 2^{2313313131329} is an apocalyptic number.

It is an amenable number.

2313313131329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313313131329 is an equidigital number, since it uses as much as digits as its factorization.

2313313131329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 35.

The spelling of 2313313131329 in words is "two trillion, three hundred thirteen billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-nine".