13103120977 has 2 divisors, whose sum is σ = 13103120978. Its totient is φ = 13103120976.

The previous prime is 13103120963. The next prime is 13103121037. The reversal of 13103120977 is 77902130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12124432321 + 978688656 = 110111^2 + 31284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13103120977 is a prime.

It is not a weakly prime, because it can be changed into another prime (13103120477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551560488 + 6551560489.

It is an arithmetic number, because the mean of its divisors is an integer number (6551560489).

Almost surely, 2^13103120977 is an apocalyptic number.

It is an amenable number.

13103120977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103120977 is an equidigital number, since it uses as much as digits as its factorization.

13103120977 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 34.

The spelling of 13103120977 in words is "thirteen billion, one hundred three million, one hundred twenty thousand, nine hundred seventy-seven".