331411228 has 12 divisors (see below), whose sum is σ = 582127560. Its totient is φ = 165089072.

The previous prime is 331411219. The next prime is 331411229. The reversal of 331411228 is 822114133.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331411229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152926 + ... + 155077.

It is an arithmetic number, because the mean of its divisors is an integer number (48510630).

Almost surely, 2^331411228 is an apocalyptic number.

It is an amenable number.

331411228 is a deficient number, since it is larger than the sum of its proper divisors (250716332).

331411228 is a wasteful number, since it uses less digits than its factorization.

331411228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308276 (or 308274 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 331411228 is about 18204.7034581726. The cubic root of 331411228 is about 692.0259910939.

The spelling of 331411228 in words is "three hundred thirty-one million, four hundred eleven thousand, two hundred twenty-eight".