321404202000242 has 16 divisors (see below), whose sum is σ = 510467086420920. Its totient is φ = 151248565383168.

The previous prime is 321404202000181. The next prime is 321404202000263. The reversal of 321404202000242 is 242000202404123.

It can be written as a sum of positive squares in 4 ways, for example, as 291630384141721 + 29773817858521 = 17077189^2 + 5456539^2 .

It is a super-2 number, since 2×321404202000242² (a number of 30 digits) contains 22 as substring.

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, 3508223 + ... + 25595234.

Almost surely, 2^{321404202000242} is an apocalyptic number.

321404202000242 is a deficient number, since it is larger than the sum of its proper divisors (189062884420678).

321404202000242 is a wasteful number, since it uses less digits than its factorization.

321404202000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29428285.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 321404202000242 its reverse (242000202404123), we get a palindrome (563404404404365).

The spelling of 321404202000242 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred two million, two hundred forty-two", and thus it is an aban number.