321213023032 has 32 divisors (see below), whose sum is σ = 657836928000. Its totient is φ = 145825855200.

The previous prime is 321213023023. The next prime is 321213023071. The reversal of 321213023032 is 230320312123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 321213022994 and 321213023012.

It is a congruent number.

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, 2179032 + ... + 2321767.

It is an arithmetic number, because the mean of its divisors is an integer number (20557404000).

Almost surely, 2^321213023032 is an apocalyptic number.

It is an amenable number.

321213023032 is an abundant number, since it is smaller than the sum of its proper divisors (336623904968).

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

321213023032 is a wasteful number, since it uses less digits than its factorization.

321213023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501627 (or 4501623 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321213023032 its reverse (230320312123), we get a palindrome (551533335155).

The spelling of 321213023032 in words is "three hundred twenty-one billion, two hundred thirteen million, twenty-three thousand, thirty-two".