13020020131399 has 2 divisors, whose sum is σ = 13020020131400. Its totient is φ = 13020020131398.

The previous prime is 13020020131361. The next prime is 13020020131439. The reversal of 13020020131399 is 99313102002031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13020020131399 - 2⁴³ = 4223927109191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020020131319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510010065699 + 6510010065700.

It is an arithmetic number, because the mean of its divisors is an integer number (6510010065700).

Almost surely, 2^{13020020131399} is an apocalyptic number.

13020020131399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020020131399 is an equidigital number, since it uses as much as digits as its factorization.

13020020131399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 13020020131399 in words is "thirteen trillion, twenty billion, twenty million, one hundred thirty-one thousand, three hundred ninety-nine".