322001031231232 has 144 divisors (see below), whose sum is σ = 652383078721920. Its totient is φ = 158604455116800.

The previous prime is 322001031231221. The next prime is 322001031231259. The reversal of 322001031231232 is 232132130100223.

It is a super-2 number, since 2×322001031231232² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322001031231197 and 322001031231206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9796479694 + ... + 9796512562.

It is an arithmetic number, because the mean of its divisors is an integer number (4530438046680).

Almost surely, 2^{322001031231232} is an apocalyptic number.

322001031231232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322001031231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326191539360960).

322001031231232 is an abundant number, since it is smaller than the sum of its proper divisors (330382047490688).

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

322001031231232 is a wasteful number, since it uses less digits than its factorization.

322001031231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35050 (or 35036 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 322001031231232 its reverse (232132130100223), we get a palindrome (554133161331455).

The spelling of 322001031231232 in words is "three hundred twenty-two trillion, one billion, thirty-one million, two hundred thirty-one thousand, two hundred thirty-two".