200131002 has 24 divisors (see below), whose sum is σ = 445338036. Its totient is φ = 64907136.

The previous prime is 200130961. The next prime is 200131003.

It is a happy number.

200131002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 180069561 + 20061441 = 13419^2 + 4479^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149583 + ... + 150914.

Almost surely, 2^200131002 is an apocalyptic number.

200131002 is an abundant number, since it is smaller than the sum of its proper divisors (245207034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200131002 is a wasteful number, since it uses less digits than its factorization.

200131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300542 (or 300539 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200131002 is about 14146.7664856673. The cubic root of 200131002 is about 584.9312038318.

The spelling of 200131002 in words is "two hundred million, one hundred thirty-one thousand, two".