2133131999 has 2 divisors, whose sum is σ = 2133132000. Its totient is φ = 2133131998.

The previous prime is 2133131993. The next prime is 2133132011. The reversal of 2133131999 is 9991313312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2133131999 - 2⁴ = 2133131983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133131993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066565999 + 1066566000.

It is an arithmetic number, because the mean of its divisors is an integer number (1066566000).

Almost surely, 2^2133131999 is an apocalyptic number.

2133131999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133131999 is an equidigital number, since it uses as much as digits as its factorization.

2133131999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 41.

The square root of 2133131999 is about 46185.8419756531. The cubic root of 2133131999 is about 1287.2786810831.

The spelling of 2133131999 in words is "two billion, one hundred thirty-three million, one hundred thirty-one thousand, nine hundred ninety-nine".