2031313234422 has 32 divisors (see below), whose sum is σ = 4281235326720. Its totient is φ = 641252559200.

The previous prime is 2031313234417. The next prime is 2031313234469. The reversal of 2031313234422 is 2244323131302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031313234422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72855672 + ... + 72883547.

It is an arithmetic number, because the mean of its divisors is an integer number (133788603960).

Almost surely, 2^{2031313234422} is an apocalyptic number.

2031313234422 is an abundant number, since it is smaller than the sum of its proper divisors (2249922092298).

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

2031313234422 is a wasteful number, since it uses less digits than its factorization.

2031313234422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145739348.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2031313234422 its reverse (2244323131302), we get a palindrome (4275636365724).

The spelling of 2031313234422 in words is "two trillion, thirty-one billion, three hundred thirteen million, two hundred thirty-four thousand, four hundred twenty-two".