2031320099 has 2 divisors, whose sum is σ = 2031320100. Its totient is φ = 2031320098.

The previous prime is 2031320023. The next prime is 2031320107. The reversal of 2031320099 is 9900231302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031320099 is a prime.

It is a super-2 number, since 2×2031320099² = 8252522689202739602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2031322099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015660049 + 1015660050.

It is an arithmetic number, because the mean of its divisors is an integer number (1015660050).

Almost surely, 2^2031320099 is an apocalyptic number.

2031320099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031320099 is an equidigital number, since it uses as much as digits as its factorization.

2031320099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2031320099 is about 45070.1686151716. The cubic root of 2031320099 is about 1266.4638231125.

The spelling of 2031320099 in words is "two billion, thirty-one million, three hundred twenty thousand, ninety-nine".