200031144 has 16 divisors (see below), whose sum is σ = 500077920. Its totient is φ = 66677040.

The previous prime is 200031137. The next prime is 200031151. The reversal of 200031144 is 441130002.

It is an interprime number because it is at equal distance from previous prime (200031137) and next prime (200031151).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167292 + ... + 4167339.

It is an arithmetic number, because the mean of its divisors is an integer number (31254870).

Almost surely, 2^200031144 is an apocalyptic number.

200031144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200031144 is an abundant number, since it is smaller than the sum of its proper divisors (300046776).

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

200031144 is a wasteful number, since it uses less digits than its factorization.

200031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334640 (or 8334636 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200031144 is about 14143.2366875479. The cubic root of 200031144 is about 584.8339012699.

Adding to 200031144 its reverse (441130002), we get a palindrome (641161146).

The spelling of 200031144 in words is "two hundred million, thirty-one thousand, one hundred forty-four".