12313312023161 has 2 divisors, whose sum is σ = 12313312023162. Its totient is φ = 12313312023160.

The previous prime is 12313312023109. The next prime is 12313312023203. The reversal of 12313312023161 is 16132021331321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9287865760000 + 3025446263161 = 3047600^2 + 1739381^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313312023161 - 2³⁸ = 12038434116217 is a prime.

It is not a weakly prime, because it can be changed into another prime (12313312023361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156656011580 + 6156656011581.

It is an arithmetic number, because the mean of its divisors is an integer number (6156656011581).

Almost surely, 2^{12313312023161} is an apocalyptic number.

It is an amenable number.

12313312023161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313312023161 is an equidigital number, since it uses as much as digits as its factorization.

12313312023161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 12313312023161 its reverse (16132021331321), we get a palindrome (28445333354482).

The spelling of 12313312023161 in words is "twelve trillion, three hundred thirteen billion, three hundred twelve million, twenty-three thousand, one hundred sixty-one".