13113233231389 has 2 divisors, whose sum is σ = 13113233231390. Its totient is φ = 13113233231388.

The previous prime is 13113233231369. The next prime is 13113233231431. The reversal of 13113233231389 is 98313233231131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8275213028889 + 4838020202500 = 2876667^2 + 2199550^2 .

It is an emirp because it is prime and its reverse (98313233231131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13113233231389 - 2²⁷ = 13113099013661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13113233231369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556616615694 + 6556616615695.

It is an arithmetic number, because the mean of its divisors is an integer number (6556616615695).

Almost surely, 2^{13113233231389} is an apocalyptic number.

It is an amenable number.

13113233231389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113233231389 is an equidigital number, since it uses as much as digits as its factorization.

13113233231389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The spelling of 13113233231389 in words is "thirteen trillion, one hundred thirteen billion, two hundred thirty-three million, two hundred thirty-one thousand, three hundred eighty-nine".