200002131999 has 24 divisors (see below), whose sum is σ = 299036142080. Its totient is φ = 128709580608.

The previous prime is 200002131983. The next prime is 200002132037. The reversal of 200002131999 is 999131200002.

It is a happy number.

It is not a de Polignac number, because 200002131999 - 2⁴ = 200002131983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002133999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322304 + ... + 2406885.

Almost surely, 2^200002131999 is an apocalyptic number.

200002131999 is a deficient number, since it is larger than the sum of its proper divisors (99034010081).

200002131999 is a wasteful number, since it uses less digits than its factorization.

200002131999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729359 (or 4729356 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 200002131999 in words is "two hundred billion, two million, one hundred thirty-one thousand, nine hundred ninety-nine".