13531102393 has 2 divisors, whose sum is σ = 13531102394. Its totient is φ = 13531102392.

The previous prime is 13531102369. The next prime is 13531102457. The reversal of 13531102393 is 39320113531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11013872809 + 2517229584 = 104947^2 + 50172^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531102393 - 2²⁵ = 13497547961 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531102493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765551196 + 6765551197.

It is an arithmetic number, because the mean of its divisors is an integer number (6765551197).

Almost surely, 2^13531102393 is an apocalyptic number.

It is an amenable number.

13531102393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531102393 is an equidigital number, since it uses as much as digits as its factorization.

13531102393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The spelling of 13531102393 in words is "thirteen billion, five hundred thirty-one million, one hundred two thousand, three hundred ninety-three".