13010320997 has 2 divisors, whose sum is σ = 13010320998. Its totient is φ = 13010320996.

The previous prime is 13010320957. The next prime is 13010321021. The reversal of 13010320997 is 79902301031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9401435521 + 3608885476 = 96961^2 + 60074^2 .

It is a cyclic number.

It is not a de Polignac number, because 13010320997 - 2¹² = 13010316901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13010320907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505160498 + 6505160499.

It is an arithmetic number, because the mean of its divisors is an integer number (6505160499).

Almost surely, 2^13010320997 is an apocalyptic number.

It is an amenable number.

13010320997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13010320997 is an equidigital number, since it uses as much as digits as its factorization.

13010320997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 13010320997 in words is "thirteen billion, ten million, three hundred twenty thousand, nine hundred ninety-seven".