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204101331 = 379719111
BaseRepresentation
bin11000010101001…
…01011011010011
3112020001102101120
430022211123103
5404222220311
632130333323
75025555420
oct1412453323
9466042346
10204101331
11a5234395
125842a243
1333392025
141d16cd47
1512db9706
hexc2a56d3

204101331 has 8 divisors (see below), whose sum is σ = 311011584. Its totient is φ = 116629320.

The previous prime is 204101327. The next prime is 204101369. The reversal of 204101331 is 133101402.

204101331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204101331 - 22 = 204101327 is a prime.

It is a super-2 number, since 2×2041013312 = 83314706631943122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204101331.

It is not an unprimeable number, because it can be changed into a prime (204101231) 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, 4859535 + ... + 4859576.

It is an arithmetic number, because the mean of its divisors is an integer number (38876448).

Almost surely, 2204101331 is an apocalyptic number.

204101331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204101331 is a deficient number, since it is larger than the sum of its proper divisors (106910253).

204101331 is an equidigital number, since it uses as much as digits as its factorization.

204101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719121.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 204101331 is about 14286.4037112214. The cubic root of 204101331 is about 588.7739848055.

Adding to 204101331 its reverse (133101402), we get a palindrome (337202733).

The spelling of 204101331 in words is "two hundred four million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 3 7 21 9719111 29157333 68033777 204101331