321424530402 has 64 divisors (see below), whose sum is σ = 654403276800. Its totient is φ = 105228298560.

The previous prime is 321424530377. The next prime is 321424530419. The reversal of 321424530402 is 204035424123.

It is a self number, because there is not a number n which added to its sum of digits gives 321424530402.

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, 157637299 + ... + 157639337.

It is an arithmetic number, because the mean of its divisors is an integer number (10225051200).

Almost surely, 2^321424530402 is an apocalyptic number.

321424530402 is an abundant number, since it is smaller than the sum of its proper divisors (332978746398).

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

321424530402 is a wasteful number, since it uses less digits than its factorization.

321424530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 321424530402 its reverse (204035424123), we get a palindrome (525459954525).

The spelling of 321424530402 in words is "three hundred twenty-one billion, four hundred twenty-four million, five hundred thirty thousand, four hundred two".