331421230 has 16 divisors (see below), whose sum is σ = 681780960. Its totient is φ = 113630112.

The previous prime is 331421227. The next prime is 331421249. The reversal of 331421230 is 32124133.

It is a junction number, because it is equal to n+sod(n) for n = 331421198 and 331421207.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2367225 + ... + 2367364.

It is an arithmetic number, because the mean of its divisors is an integer number (42611310).

Almost surely, 2^331421230 is an apocalyptic number.

331421230 is an abundant number, since it is smaller than the sum of its proper divisors (350359730).

331421230 is a wasteful number, since it uses less digits than its factorization.

331421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734603.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331421230 is about 18204.9781653261. The cubic root of 331421230 is about 692.0329528117.

Adding to 331421230 its reverse (32124133), we get a palindrome (363545363).

The spelling of 331421230 in words is "three hundred thirty-one million, four hundred twenty-one thousand, two hundred thirty".