2133231999 has 8 divisors (see below), whose sum is σ = 2844950400. Its totient is φ = 1421834136.

The previous prime is 2133231983. The next prime is 2133232007. The reversal of 2133231999 is 9991323312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2133231999 - 2⁴ = 2133231983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2133231999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133231979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64149 + ... + 91550.

It is an arithmetic number, because the mean of its divisors is an integer number (355618800).

Almost surely, 2^2133231999 is an apocalyptic number.

2133231999 is a deficient number, since it is larger than the sum of its proper divisors (711718401).

2133231999 is a wasteful number, since it uses less digits than its factorization.

2133231999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160269.

The product of its digits is 78732, while the sum is 42.

The square root of 2133231999 is about 46186.9245458063. The cubic root of 2133231999 is about 1287.2987963966.

The spelling of 2133231999 in words is "two billion, one hundred thirty-three million, two hundred thirty-one thousand, nine hundred ninety-nine".