321013112021340 has 96 divisors (see below), whose sum is σ = 917983816049664. Its totient is φ = 83780053920000.

The previous prime is 321013112021269. The next prime is 321013112021359. The reversal of 321013112021340 is 43120211310123.

It is a self number, because there is not a number n which added to its sum of digits gives 321013112021340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113195715 + ... + 115996965.

It is an arithmetic number, because the mean of its divisors is an integer number (9562331417184).

Almost surely, 2^{321013112021340} is an apocalyptic number.

321013112021340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321013112021340 is an abundant number, since it is smaller than the sum of its proper divisors (596970704028324).

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

321013112021340 is a wasteful number, since it uses less digits than its factorization.

321013112021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841947 (or 2841945 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321013112021340 its reverse (43120211310123), we get a palindrome (364133323331463).

The spelling of 321013112021340 in words is "three hundred twenty-one trillion, thirteen billion, one hundred twelve million, twenty-one thousand, three hundred forty".