13011323357 has 2 divisors, whose sum is σ = 13011323358. Its totient is φ = 13011323356.

The previous prime is 13011323293. The next prime is 13011323383. The reversal of 13011323357 is 75332311031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11005268836 + 2006054521 = 104906^2 + 44789^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011323357 - 2⁶ = 13011323293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13011323387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505661678 + 6505661679.

It is an arithmetic number, because the mean of its divisors is an integer number (6505661679).

Almost surely, 2^13011323357 is an apocalyptic number.

It is an amenable number.

13011323357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011323357 is an equidigital number, since it uses as much as digits as its factorization.

13011323357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

Adding to 13011323357 its reverse (75332311031), we get a palindrome (88343634388).

The spelling of 13011323357 in words is "thirteen billion, eleven million, three hundred twenty-three thousand, three hundred fifty-seven".