131111220319999 has 2 divisors, whose sum is σ = 131111220320000. Its totient is φ = 131111220319998.

The previous prime is 131111220319993. The next prime is 131111220320077. The reversal of 131111220319999 is 999913022111131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131111220319999 - 2⁵ = 131111220319967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131111220319993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555610159999 + 65555610160000.

It is an arithmetic number, because the mean of its divisors is an integer number (65555610160000).

Almost surely, 2^{131111220319999} is an apocalyptic number.

131111220319999 is a deficient number, since it is larger than the sum of its proper divisors (1).

131111220319999 is an equidigital number, since it uses as much as digits as its factorization.

131111220319999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 131111220319999 in words is "one hundred thirty-one trillion, one hundred eleven billion, two hundred twenty million, three hundred nineteen thousand, nine hundred ninety-nine".