311242402199 has 2 divisors, whose sum is σ = 311242402200. Its totient is φ = 311242402198.

The previous prime is 311242402193. The next prime is 311242402213. The reversal of 311242402199 is 991204242113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311242402199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311242402193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155621201099 + 155621201100.

It is an arithmetic number, because the mean of its divisors is an integer number (155621201100).

Almost surely, 2^311242402199 is an apocalyptic number.

311242402199 is a deficient number, since it is larger than the sum of its proper divisors (1).

311242402199 is an equidigital number, since it uses as much as digits as its factorization.

311242402199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 311242402199 in words is "three hundred eleven billion, two hundred forty-two million, four hundred two thousand, one hundred ninety-nine".