200031343442 has 32 divisors (see below), whose sum is σ = 354054918144. Its totient is φ = 82942995600.

The previous prime is 200031343433. The next prime is 200031343469. The reversal of 200031343442 is 244343130002.

It is a super-2 number, since 2×200031343442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894217 + ... + 1997027.

It is an arithmetic number, because the mean of its divisors is an integer number (11064216192).

Almost surely, 2^200031343442 is an apocalyptic number.

200031343442 is a deficient number, since it is larger than the sum of its proper divisors (154023574702).

200031343442 is a wasteful number, since it uses less digits than its factorization.

200031343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107334.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 200031343442 its reverse (244343130002), we get a palindrome (444374473444).

The spelling of 200031343442 in words is "two hundred billion, thirty-one million, three hundred forty-three thousand, four hundred forty-two".