200313031 has 4 divisors (see below), whose sum is σ = 200392192. Its totient is φ = 200233872.

The previous prime is 200313011. The next prime is 200313089. The reversal of 200313031 is 130313002.

200313031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-200313031 is a prime.

It is a super-2 number, since 2×200313031² = 80250620776813922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200313011) 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, 35655 + ... + 40888.

It is an arithmetic number, because the mean of its divisors is an integer number (50098048).

Almost surely, 2^200313031 is an apocalyptic number.

200313031 is a deficient number, since it is larger than the sum of its proper divisors (79161).

200313031 is an equidigital number, since it uses as much as digits as its factorization.

200313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79160.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 200313031 is about 14153.1986137410. The cubic root of 200313031 is about 585.1084913354.

Adding to 200313031 its reverse (130313002), we get a palindrome (330626033).

The spelling of 200313031 in words is "two hundred million, three hundred thirteen thousand, thirty-one".