131122213199 has 2 divisors, whose sum is σ = 131122213200. Its totient is φ = 131122213198.

The previous prime is 131122213129. The next prime is 131122213213. The reversal of 131122213199 is 991312221131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131122213199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131122213129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561106599 + 65561106600.

It is an arithmetic number, because the mean of its divisors is an integer number (65561106600).

Almost surely, 2^131122213199 is an apocalyptic number.

131122213199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122213199 is an equidigital number, since it uses as much as digits as its factorization.

131122213199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The spelling of 131122213199 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred ninety-nine".