2099218831 has 2 divisors, whose sum is σ = 2099218832. Its totient is φ = 2099218830.

The previous prime is 2099218811. The next prime is 2099218841. The reversal of 2099218831 is 1388129902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099218831 - 2¹¹ = 2099216783 is a prime.

It is a super-2 number, since 2×2099218831² = 8813439400850013122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099218811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049609415 + 1049609416.

It is an arithmetic number, because the mean of its divisors is an integer number (1049609416).

Almost surely, 2^2099218831 is an apocalyptic number.

2099218831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099218831 is an equidigital number, since it uses as much as digits as its factorization.

2099218831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 2099218831 is about 45817.2329042250. The cubic root of 2099218831 is about 1280.4203597796.

The spelling of 2099218831 in words is "two billion, ninety-nine million, two hundred eighteen thousand, eight hundred thirty-one".