200044031313 has 32 divisors (see below), whose sum is σ = 321079449600. Its totient is φ = 108224712576.

The previous prime is 200044031309. The next prime is 200044031333. The reversal of 200044031313 is 313130440002.

It is not a de Polignac number, because 200044031313 - 2² = 200044031309 is a prime.

It is a super-2 number, since 2×200044031313² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 200044031313.

It is not an unprimeable number, because it can be changed into a prime (200044031333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461245 + ... + 782837.

It is an arithmetic number, because the mean of its divisors is an integer number (10033732800).

Almost surely, 2^200044031313 is an apocalyptic number.

It is an amenable number.

200044031313 is a deficient number, since it is larger than the sum of its proper divisors (121035418287).

200044031313 is a wasteful number, since it uses less digits than its factorization.

200044031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323181.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 200044031313 its reverse (313130440002), we get a palindrome (513174471315).

The spelling of 200044031313 in words is "two hundred billion, forty-four million, thirty-one thousand, three hundred thirteen".