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331331304 = 23313805471
BaseRepresentation
bin10011101111111…
…011011011101000
3212002110101002210
4103233323123220
51134310100204
652513325120
711132161323
oct2357733350
9762411083
10331331304
11160034127
1292b667a0
135384aa35
143200b7ba
151e14c389
hex13bfb6e8

331331304 has 16 divisors (see below), whose sum is σ = 828328320. Its totient is φ = 110443760.

The previous prime is 331331279. The next prime is 331331311. The reversal of 331331304 is 403133133.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6902712 + ... + 6902759.

It is an arithmetic number, because the mean of its divisors is an integer number (51770520).

Almost surely, 2331331304 is an apocalyptic number.

It is an amenable number.

331331304 is an abundant number, since it is smaller than the sum of its proper divisors (496997016).

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

331331304 is a wasteful number, since it uses less digits than its factorization.

331331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805480 (or 13805476 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 331331304 is about 18202.5081788198. The cubic root of 331331304 is about 691.9703563543.

Adding to 331331304 its reverse (403133133), we get a palindrome (734464437).

The spelling of 331331304 in words is "three hundred thirty-one million, three hundred thirty-one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 13805471 27610942 41416413 55221884 82832826 110443768 165665652 331331304