13230131210999 has 2 divisors, whose sum is σ = 13230131211000. Its totient is φ = 13230131210998.

The previous prime is 13230131210939. The next prime is 13230131211043. The reversal of 13230131210999 is 99901213103231.

It is an a-pointer prime, because the next prime (13230131211043) can be obtained adding 13230131210999 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13230131210999 - 2²⁰ = 13230130162423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13230131210939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615065605499 + 6615065605500.

It is an arithmetic number, because the mean of its divisors is an integer number (6615065605500).

Almost surely, 2^{13230131210999} is an apocalyptic number.

13230131210999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230131210999 is an equidigital number, since it uses as much as digits as its factorization.

13230131210999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 13230131210999 in words is "thirteen trillion, two hundred thirty billion, one hundred thirty-one million, two hundred ten thousand, nine hundred ninety-nine".