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331022230 = 25711429899
BaseRepresentation
bin10011101110101…
…111111110010110
3212001212200010121
4103232233332112
51134220202410
652502542154
711126433250
oct2356577626
9761780117
10331022230
1115a9429a0
1292a3795a
1353770156
1431d6acd0
151e0da9da
hex13baff96

331022230 has 32 divisors (see below), whose sum is σ = 742867200. Its totient is φ = 103175520.

The previous prime is 331022221. The next prime is 331022231. The reversal of 331022230 is 32220133.

331022230 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 (331022231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214180 + ... + 215719.

It is an arithmetic number, because the mean of its divisors is an integer number (23214600).

Almost surely, 2331022230 is an apocalyptic number.

331022230 is an abundant number, since it is smaller than the sum of its proper divisors (411844970).

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

331022230 is a wasteful number, since it uses less digits than its factorization.

331022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429924.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 331022230 is about 18194.0163240556. The cubic root of 331022230 is about 691.7551270869.

Adding to 331022230 its reverse (32220133), we get a palindrome (363242363).

The spelling of 331022230 in words is "three hundred thirty-one million, twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 429899 859798 2149495 3009293 4298990 4728889 6018586 9457778 15046465 23644445 30092930 33102223 47288890 66204446 165511115 331022230