322143311344 has 20 divisors (see below), whose sum is σ = 651289738896. Its totient is φ = 154068540032.

The previous prime is 322143311341. The next prime is 322143311353. The reversal of 322143311344 is 443113341223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322143311341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437694349 + ... + 437695084.

Almost surely, 2^322143311344 is an apocalyptic number.

It is an amenable number.

322143311344 is an abundant number, since it is smaller than the sum of its proper divisors (329146427552).

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

322143311344 is a wasteful number, since it uses less digits than its factorization.

322143311344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875389464 (or 875389458 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 322143311344 its reverse (443113341223), we get a palindrome (765256652567).

The spelling of 322143311344 in words is "three hundred twenty-two billion, one hundred forty-three million, three hundred eleven thousand, three hundred forty-four".