200131000 has 32 divisors (see below), whose sum is σ = 468308880. Its totient is φ = 80052000.

The previous prime is 200130961. The next prime is 200131003. The reversal of 200131000 is 131002.

It is a super-2 number, since 2×200131000² = 80104834322000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131003) 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, 99066 + ... + 101065.

Almost surely, 2^200131000 is an apocalyptic number.

200131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131000 is an abundant number, since it is smaller than the sum of its proper divisors (268177880).

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

200131000 is a wasteful number, since it uses less digits than its factorization.

200131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200152 (or 200138 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 200131000 is about 14146.7664149798. The cubic root of 200131000 is about 584.9312018834.

Adding to 200131000 its reverse (131002), we get a palindrome (200262002).

The spelling of 200131000 in words is "two hundred million, one hundred thirty-one thousand".