12311311231139 has 2 divisors, whose sum is σ = 12311311231140. Its totient is φ = 12311311231138.

The previous prime is 12311311231129. The next prime is 12311311231147. The reversal of 12311311231139 is 93113211311321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311311231139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311311231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155655615569 + 6155655615570.

It is an arithmetic number, because the mean of its divisors is an integer number (6155655615570).

Almost surely, 2^{12311311231139} is an apocalyptic number.

12311311231139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311311231139 is an equidigital number, since it uses as much as digits as its factorization.

12311311231139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The spelling of 12311311231139 in words is "twelve trillion, three hundred eleven billion, three hundred eleven million, two hundred thirty-one thousand, one hundred thirty-nine".