2321120310317 has 2 divisors, whose sum is σ = 2321120310318. Its totient is φ = 2321120310316.

The previous prime is 2321120310293. The next prime is 2321120310337. The reversal of 2321120310317 is 7130130211232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2094767023561 + 226353286756 = 1447331^2 + 475766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321120310317 - 2²⁴ = 2321103533101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321120310337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160560155158 + 1160560155159.

It is an arithmetic number, because the mean of its divisors is an integer number (1160560155159).

Almost surely, 2^{2321120310317} is an apocalyptic number.

It is an amenable number.

2321120310317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321120310317 is an equidigital number, since it uses as much as digits as its factorization.

2321120310317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 2321120310317 its reverse (7130130211232), we get a palindrome (9451250521549).

The spelling of 2321120310317 in words is "two trillion, three hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, three hundred seventeen".