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331242333 = 3199116379
BaseRepresentation
bin10011101111100…
…101101101011101
3212002021212001120
4103233211231131
51134244223313
652511401153
711131341042
oct2357455535
9762255046
10331242333
1115aa832a4
1292b231b9
13538193a6
1431dc71c9
151e130d23
hex13be5b5d

331242333 has 16 divisors (see below), whose sum is σ = 465484800. Its totient is φ = 208943280.

The previous prime is 331242319. The next prime is 331242337. The reversal of 331242333 is 333242133.

It is a happy number.

It is not a de Polignac number, because 331242333 - 28 = 331242077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331242337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48738 + ... + 55116.

It is an arithmetic number, because the mean of its divisors is an integer number (29092800).

Almost surely, 2331242333 is an apocalyptic number.

It is an amenable number.

331242333 is a deficient number, since it is larger than the sum of its proper divisors (134242467).

331242333 is a wasteful number, since it uses less digits than its factorization.

331242333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312.

The product of its digits is 3888, while the sum is 24.

The square root of 331242333 is about 18200.0640932937. The cubic root of 331242333 is about 691.9084135141.

Adding to 331242333 its reverse (333242133), we get a palindrome (664484466).

The spelling of 331242333 in words is "three hundred thirty-one million, two hundred forty-two thousand, three hundred thirty-three".

Divisors: 1 3 19 57 911 2733 6379 17309 19137 51927 121201 363603 5811269 17433807 110414111 331242333