321554000242 has 16 divisors (see below), whose sum is σ = 484612385760. Its totient is φ = 160016996608.

The previous prime is 321554000189. The next prime is 321554000263. The reversal of 321554000242 is 242000455123.

It is a self number, because there is not a number n which added to its sum of digits gives 321554000242.

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, 1311309 + ... + 1537087.

It is an arithmetic number, because the mean of its divisors is an integer number (30288274110).

Almost surely, 2^321554000242 is an apocalyptic number.

321554000242 is a deficient number, since it is larger than the sum of its proper divisors (163058385518).

321554000242 is a wasteful number, since it uses less digits than its factorization.

321554000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229145.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 321554000242 its reverse (242000455123), we get a palindrome (563554455365).

The spelling of 321554000242 in words is "three hundred twenty-one billion, five hundred fifty-four million, two hundred forty-two", and thus it is an aban number.