321013112034320 has 40 divisors (see below), whose sum is σ = 748087168821120. Its totient is φ = 128107320798080.

The previous prime is 321013112034311. The next prime is 321013112034367. The reversal of 321013112034320 is 23430211310123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 321013112034320.

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, 4655028050 + ... + 4655097009.

It is an arithmetic number, because the mean of its divisors is an integer number (18702179220528).

Almost surely, 2^{321013112034320} is an apocalyptic number.

It is an amenable number.

321013112034320 is an abundant number, since it is smaller than the sum of its proper divisors (427074056786800).

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

321013112034320 is a wasteful number, since it uses less digits than its factorization.

321013112034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310125503 (or 9310125497 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 321013112034320 its reverse (23430211310123), we get a palindrome (344443323344443).

The spelling of 321013112034320 in words is "three hundred twenty-one trillion, thirteen billion, one hundred twelve million, thirty-four thousand, three hundred twenty".