13313232077 has 2 divisors, whose sum is σ = 13313232078. Its totient is φ = 13313232076.

The previous prime is 13313232029. The next prime is 13313232133. The reversal of 13313232077 is 77023231331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11984556676 + 1328675401 = 109474^2 + 36451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13313232077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313232017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656616038 + 6656616039.

It is an arithmetic number, because the mean of its divisors is an integer number (6656616039).

Almost surely, 2^13313232077 is an apocalyptic number.

It is an amenable number.

13313232077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313232077 is an equidigital number, since it uses as much as digits as its factorization.

13313232077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 32.

The spelling of 13313232077 in words is "thirteen billion, three hundred thirteen million, two hundred thirty-two thousand, seventy-seven".