322321431144 has 32 divisors (see below), whose sum is σ = 814110837120. Its totient is φ = 106332842496.

The previous prime is 322321431119. The next prime is 322321431167. The reversal of 322321431144 is 441134123223.

It is a super-2 number, since 2×322321431144² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69224784 + ... + 69229439.

It is an arithmetic number, because the mean of its divisors is an integer number (25440963660).

Almost surely, 2^322321431144 is an apocalyptic number.

It is an amenable number.

322321431144 is an abundant number, since it is smaller than the sum of its proper divisors (491789405976).

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

322321431144 is a wasteful number, since it uses less digits than its factorization.

322321431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138454329 (or 138454325 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 322321431144 its reverse (441134123223), we get a palindrome (763455554367).

The spelling of 322321431144 in words is "three hundred twenty-two billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred forty-four".