12313331001077 has 2 divisors, whose sum is σ = 12313331001078. Its totient is φ = 12313331001076.

The previous prime is 12313331001073. The next prime is 12313331001197. The reversal of 12313331001077 is 77010013331321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12068391133681 + 244939867396 = 3473959^2 + 494914^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313331001077 - 2² = 12313331001073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313331001073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156665500538 + 6156665500539.

It is an arithmetic number, because the mean of its divisors is an integer number (6156665500539).

Almost surely, 2^{12313331001077} is an apocalyptic number.

It is an amenable number.

12313331001077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313331001077 is an equidigital number, since it uses as much as digits as its factorization.

12313331001077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

Adding to 12313331001077 its reverse (77010013331321), we get a palindrome (89323344332398).

The spelling of 12313331001077 in words is "twelve trillion, three hundred thirteen billion, three hundred thirty-one million, one thousand, seventy-seven".