331289229 has 8 divisors (see below), whose sum is σ = 451117440. Its totient is φ = 216160256.

The previous prime is 331289221. The next prime is 331289237. The reversal of 331289229 is 922982133.

It is an interprime number because it is at equal distance from previous prime (331289221) and next prime (331289237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331289229 - 2³ = 331289221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331289221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174644 + ... + 1174925.

It is an arithmetic number, because the mean of its divisors is an integer number (56389680).

Almost surely, 2^331289229 is an apocalyptic number.

It is an amenable number.

331289229 is a deficient number, since it is larger than the sum of its proper divisors (119828211).

331289229 is a wasteful number, since it uses less digits than its factorization.

331289229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349619.

The product of its digits is 46656, while the sum is 39.

The square root of 331289229 is about 18201.3523948085. The cubic root of 331289229 is about 691.9410645399.

The spelling of 331289229 in words is "three hundred thirty-one million, two hundred eighty-nine thousand, two hundred twenty-nine".