321025042332 has 72 divisors (see below), whose sum is σ = 825445136880. Its totient is φ = 105169605120.

The previous prime is 321025042309. The next prime is 321025042333. The reversal of 321025042332 is 233240520123.

321025042332 is a `hidden beast` number, since 3 + 2 + 102 + 504 + 23 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 321025042296 and 321025042305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321025042333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2706708 + ... + 2822820.

It is an arithmetic number, because the mean of its divisors is an integer number (11464515790).

Almost surely, 2^321025042332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321025042332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412722568440).

321025042332 is an abundant number, since it is smaller than the sum of its proper divisors (504420094548).

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

321025042332 is a wasteful number, since it uses less digits than its factorization.

321025042332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117443 (or 117438 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 321025042332 its reverse (233240520123), we get a palindrome (554265562455).

The spelling of 321025042332 in words is "three hundred twenty-one billion, twenty-five million, forty-two thousand, three hundred thirty-two".