321104542 has 16 divisors (see below), whose sum is σ = 526299264. Its totient is φ = 145719000.

The previous prime is 321104533. The next prime is 321104557. The reversal of 321104542 is 245401123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 2317 + ... + 25447.

It is an arithmetic number, because the mean of its divisors is an integer number (32893704).

Almost surely, 2^321104542 is an apocalyptic number.

321104542 is a deficient number, since it is larger than the sum of its proper divisors (205194722).

321104542 is a wasteful number, since it uses less digits than its factorization.

321104542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23775.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 321104542 is about 17919.3901123894. The cubic root of 321104542 is about 684.7764500424.

Adding to 321104542 its reverse (245401123), we get a palindrome (566505665).

The spelling of 321104542 in words is "three hundred twenty-one million, one hundred four thousand, five hundred forty-two".