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231304430424 = 2339637684601
BaseRepresentation
bin1101011101101011010…
…0011000001101011000
3211010001000002112000110
43113122310120031120
512242202413233144
6254132040404320
722465640135004
oct3273264301530
9733030075013
10231304430424
118a106359101
12389b34766a0
1318a72a109a2
14b2a3881704
15603b8660b9
hex35dad18358

231304430424 has 16 divisors (see below), whose sum is σ = 578261076120. Its totient is φ = 77101476800.

The previous prime is 231304430407. The next prime is 231304430437. The reversal of 231304430424 is 424034403132.

It is a happy number.

231304430424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231304430391 and 231304430400.

It is a congruent number.

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, 4818842277 + ... + 4818842324.

Almost surely, 2231304430424 is an apocalyptic number.

231304430424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231304430424 is an abundant number, since it is smaller than the sum of its proper divisors (346956645696).

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

231304430424 is a wasteful number, since it uses less digits than its factorization.

231304430424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637684610 (or 9637684606 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 231304430424 its reverse (424034403132), we get a palindrome (655338833556).

The spelling of 231304430424 in words is "two hundred thirty-one billion, three hundred four million, four hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 9637684601 19275369202 28913053803 38550738404 57826107606 77101476808 115652215212 231304430424