321420032241402 has 16 divisors (see below), whose sum is σ = 642861975604320. Its totient is φ = 107136358893552.

The previous prime is 321420032241391. The next prime is 321420032241463. The reversal of 321420032241402 is 204142230024123.

It is a self number, because there is not a number n which added to its sum of digits gives 321420032241402.

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, 912772693 + ... + 913124760.

It is an arithmetic number, because the mean of its divisors is an integer number (40178873475270).

Almost surely, 2^{321420032241402} is an apocalyptic number.

321420032241402 is an abundant number, since it is smaller than the sum of its proper divisors (321441943362918).

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

321420032241402 is a wasteful number, since it uses less digits than its factorization.

321420032241402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825926797.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 321420032241402 its reverse (204142230024123), we get a palindrome (525562262265525).

The spelling of 321420032241402 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-two million, two hundred forty-one thousand, four hundred two".