200031321342 has 32 divisors (see below), whose sum is σ = 409920762240. Its totient is φ = 65038286880.

The previous prime is 200031321341. The next prime is 200031321349. The reversal of 200031321342 is 243123130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031321341) 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, 333909 + ... + 715232.

It is an arithmetic number, because the mean of its divisors is an integer number (12810023820).

Almost surely, 2^200031321342 is an apocalyptic number.

200031321342 is an abundant number, since it is smaller than the sum of its proper divisors (209889440898).

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

200031321342 is a wasteful number, since it uses less digits than its factorization.

200031321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049928.

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

Adding to 200031321342 its reverse (243123130002), we get a palindrome (443154451344).

The spelling of 200031321342 in words is "two hundred billion, thirty-one million, three hundred twenty-one thousand, three hundred forty-two".