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231334005 = 35715714033
BaseRepresentation
bin11011100100111…
…10000001110101
3121010021222121010
431302132001311
5433210142010
634542142433
75506210110
oct1562360165
9533258533
10231334005
11109644731
1265581a19
1338c08536
1422a1b577
1515498620
hexdc9e075

231334005 has 32 divisors (see below), whose sum is σ = 425735424. Its totient is φ = 105071616.

The previous prime is 231334003. The next prime is 231334087. The reversal of 231334005 is 500433132.

It is not a de Polignac number, because 231334005 - 21 = 231334003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231334003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9469 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (13304232).

Almost surely, 2231334005 is an apocalyptic number.

It is an amenable number.

231334005 is a deficient number, since it is larger than the sum of its proper divisors (194401419).

231334005 is a wasteful number, since it uses less digits than its factorization.

231334005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 231334005 is about 15209.6681423363. The cubic root of 231334005 is about 613.8748281516.

Adding to 231334005 its reverse (500433132), we get a palindrome (731767137).

The spelling of 231334005 in words is "two hundred thirty-one million, three hundred thirty-four thousand, five".

Divisors: 1 3 5 7 15 21 35 105 157 471 785 1099 2355 3297 5495 14033 16485 42099 70165 98231 210495 294693 491155 1473465 2203181 6609543 11015905 15422267 33047715 46266801 77111335 231334005