321013042 has 8 divisors (see below), whose sum is σ = 550308096. Its totient is φ = 137577012.

The previous prime is 321013039. The next prime is 321013097. The reversal of 321013042 is 240310123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11464738 + ... + 11464765.

It is an arithmetic number, because the mean of its divisors is an integer number (68788512).

Almost surely, 2^321013042 is an apocalyptic number.

321013042 is a deficient number, since it is larger than the sum of its proper divisors (229295054).

321013042 is a wasteful number, since it uses less digits than its factorization.

321013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22929512.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 321013042 is about 17916.8368301997. The cubic root of 321013042 is about 684.7114006173.

Adding to 321013042 its reverse (240310123), we get a palindrome (561323165).

The spelling of 321013042 in words is "three hundred twenty-one million, thirteen thousand, forty-two".