321050140 has 24 divisors (see below), whose sum is σ = 676256112. Its totient is φ = 128029440.

The previous prime is 321050129. The next prime is 321050141. The reversal of 321050140 is 41050123.

321050140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321050141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17629 + ... + 30868.

It is an arithmetic number, because the mean of its divisors is an integer number (28177338).

Almost surely, 2^321050140 is an apocalyptic number.

It is an amenable number.

321050140 is an abundant number, since it is smaller than the sum of its proper divisors (355205972).

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

321050140 is a wasteful number, since it uses less digits than its factorization.

321050140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48837 (or 48835 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 321050140 is about 17917.8720834813. The cubic root of 321050140 is about 684.7377759165.

The spelling of 321050140 in words is "three hundred twenty-one million, fifty thousand, one hundred forty".