321011242 has 8 divisors (see below), whose sum is σ = 486192096. Its totient is φ = 158947212.

The previous prime is 321011233. The next prime is 321011267. The reversal of 321011242 is 242110123.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778948 + ... + 779359.

It is an arithmetic number, because the mean of its divisors is an integer number (60774012).

Almost surely, 2^321011242 is an apocalyptic number.

321011242 is a deficient number, since it is larger than the sum of its proper divisors (165180854).

321011242 is a wasteful number, since it uses less digits than its factorization.

321011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558412.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 321011242 is about 17916.7865980482. The cubic root of 321011242 is about 684.7101208325.

Adding to 321011242 its reverse (242110123), we get a palindrome (563121365).

The spelling of 321011242 in words is "three hundred twenty-one million, eleven thousand, two hundred forty-two".