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231313241403 = 33171801279817
BaseRepresentation
bin1101011101101101010…
…1111111010100111011
3211010001121200011102000
43113123111333110323
512242212142211103
6254132553312043
722466105052666
oct3273325772473
9733047604360
10231313241403
118a110326a02
12389b6405623
1318a747a729a
14b2a4ad66dd
15603c506aa3
hex35db57f53b

231313241403 has 32 divisors (see below), whose sum is σ = 363047065920. Its totient is φ = 145056614400.

The previous prime is 231313241339. The next prime is 231313241417. The reversal of 231313241403 is 304142313132.

It is a happy number.

231313241403 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 13 + 241 + 403 = 666.

It is not a de Polignac number, because 231313241403 - 26 = 231313241339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231313248403) 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, 686751 + ... + 966567.

It is an arithmetic number, because the mean of its divisors is an integer number (11345220810).

Almost surely, 2231313241403 is an apocalyptic number.

231313241403 is a deficient number, since it is larger than the sum of its proper divisors (131733824517).

231313241403 is a wasteful number, since it uses less digits than its factorization.

231313241403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281644 (or 281638 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231313241403 its reverse (304142313132), we get a palindrome (535455554535).

The spelling of 231313241403 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred forty-one thousand, four hundred three".

Divisors: 1 3 9 17 27 51 153 459 1801 5403 16209 30617 48627 91851 275553 279817 826659 839451 2518353 4756889 7555059 14270667 42812001 128436003 503950417 1511851251 4535553753 8567157089 13606661259 25701471267 77104413801 231313241403