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100304043231 = 37100917412719
BaseRepresentation
bin101110101101010010…
…1100011110011011111
3100120220100202100011010
41131122211203303133
53120410313340411
6114025023430303
710150425204630
oct1353245436337
9316810670133
10100304043231
11395a20212a7
1217533755393
1395c67c4992
144bd75a7887
152920c967a6
hex175a963cdf

100304043231 has 32 divisors (see below), whose sum is σ = 153139916800. Its totient is φ = 57205854720.

The previous prime is 100304043223. The next prime is 100304043233. The reversal of 100304043231 is 132340403001.

It is not a de Polignac number, because 100304043231 - 23 = 100304043223 is a prime.

It is a super-2 number, since 2×1003040432312 (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100304043198 and 100304043207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100304043233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36888690 + ... + 36891408.

It is an arithmetic number, because the mean of its divisors is an integer number (4785622400).

Almost surely, 2100304043231 is an apocalyptic number.

100304043231 is a deficient number, since it is larger than the sum of its proper divisors (52835873569).

100304043231 is a wasteful number, since it uses less digits than its factorization.

100304043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100304043231 its reverse (132340403001), we get a palindrome (232644446232).

The spelling of 100304043231 in words is "one hundred billion, three hundred four million, forty-three thousand, two hundred thirty-one".

Divisors: 1 3 7 21 1009 1741 2719 3027 5223 7063 8157 12187 19033 21189 36561 57099 1756669 2743471 4733779 5270007 8230413 12296683 14201337 19204297 33136453 36890049 57612891 99409359 4776383011 14329149033 33434681077 100304043231