200531317 has 16 divisors (see below), whose sum is σ = 242605440. Its totient is φ = 162090432.

The previous prime is 200531299. The next prime is 200531321. The reversal of 200531317 is 713135002.

It is not a de Polignac number, because 200531317 - 2²⁷ = 66313589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200531327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (15162840).

Almost surely, 2^200531317 is an apocalyptic number.

It is an amenable number.

200531317 is a deficient number, since it is larger than the sum of its proper divisors (42074123).

200531317 is a wasteful number, since it uses less digits than its factorization.

200531317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23052.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 200531317 is about 14160.9080570421. The cubic root of 200531317 is about 585.3209498493.

Adding to 200531317 its reverse (713135002), we get a palindrome (913666319).

The spelling of 200531317 in words is "two hundred million, five hundred thirty-one thousand, three hundred seventeen".