321251032242 has 48 divisors (see below), whose sum is σ = 807351584832. Its totient is φ = 90416066400.

The previous prime is 321251032241. The next prime is 321251032307. The reversal of 321251032242 is 242230152123.

321251032242 is a `hidden beast` number, since 321 + 2 + 5 + 10 + 322 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (321251032241) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 19018509 + ... + 19035392.

It is an arithmetic number, because the mean of its divisors is an integer number (16819824684).

Almost surely, 2^321251032242 is an apocalyptic number.

321251032242 is an abundant number, since it is smaller than the sum of its proper divisors (486100552590).

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

321251032242 is a wasteful number, since it uses less digits than its factorization.

321251032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38053983 (or 38053980 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 321251032242 its reverse (242230152123), we get a palindrome (563481184365).

The spelling of 321251032242 in words is "three hundred twenty-one billion, two hundred fifty-one million, thirty-two thousand, two hundred forty-two".