2131246099 has 2 divisors, whose sum is σ = 2131246100. Its totient is φ = 2131246098.

The previous prime is 2131246097. The next prime is 2131246111. The reversal of 2131246099 is 9906421312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131246099 - 2¹ = 2131246097 is a prime.

Together with 2131246097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2131246097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065623049 + 1065623050.

It is an arithmetic number, because the mean of its divisors is an integer number (1065623050).

Almost surely, 2^2131246099 is an apocalyptic number.

2131246099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131246099 is an equidigital number, since it uses as much as digits as its factorization.

2131246099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2131246099 is about 46165.4210313304. The cubic root of 2131246099 is about 1286.8992086058.

The spelling of 2131246099 in words is "two billion, one hundred thirty-one million, two hundred forty-six thousand, ninety-nine".