321034431140 has 24 divisors (see below), whose sum is σ = 677702011392. Its totient is φ = 127741447520.

The previous prime is 321034431131. The next prime is 321034431169. The reversal of 321034431140 is 41134430123.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42016394 + ... + 42024033.

It is an arithmetic number, because the mean of its divisors is an integer number (28237583808).

Almost surely, 2^321034431140 is an apocalyptic number.

It is an amenable number.

321034431140 is an abundant number, since it is smaller than the sum of its proper divisors (356667580252).

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

321034431140 is a wasteful number, since it uses less digits than its factorization.

321034431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84040627 (or 84040625 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321034431140 its reverse (41134430123), we get a palindrome (362168861263).

The spelling of 321034431140 in words is "three hundred twenty-one billion, thirty-four million, four hundred thirty-one thousand, one hundred forty".