321350442 has 32 divisors (see below), whose sum is σ = 735702912. Its totient is φ = 91665984.

The previous prime is 321350437. The next prime is 321350443. The reversal of 321350442 is 244053123.

321350442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×321350442² = 206532213147190728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321350443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21568 + ... + 33284.

It is an arithmetic number, because the mean of its divisors is an integer number (22990716).

Almost surely, 2^321350442 is an apocalyptic number.

321350442 is an abundant number, since it is smaller than the sum of its proper divisors (414352470).

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

321350442 is a wasteful number, since it uses less digits than its factorization.

321350442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 321350442 is about 17926.2500819329. The cubic root of 321350442 is about 684.9512047221.

The spelling of 321350442 in words is "three hundred twenty-one million, three hundred fifty thousand, four hundred forty-two".