200131331 has 4 divisors (see below), whose sum is σ = 204785592. Its totient is φ = 195477072.

The previous prime is 200131289. The next prime is 200131387. The reversal of 200131331 is 133131002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200131331 is a prime.

It is a super-2 number, since 2×200131331² = 80105099295663122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200131391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327066 + ... + 2327151.

It is an arithmetic number, because the mean of its divisors is an integer number (51196398).

Almost surely, 2^200131331 is an apocalyptic number.

200131331 is a deficient number, since it is larger than the sum of its proper divisors (4654261).

200131331 is an equidigital number, since it uses as much as digits as its factorization.

200131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654260.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 200131331 is about 14146.7781137615. The cubic root of 200131331 is about 584.9315243590.

Adding to 200131331 its reverse (133131002), we get a palindrome (333262333).

The spelling of 200131331 in words is "two hundred million, one hundred thirty-one thousand, three hundred thirty-one".