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304302340431 = 3311270457053
BaseRepresentation
bin1000110110110011101…
…01010011100101001111
31002002110100112120022000
410123121311103211033
514441202344343211
6351443343123343
730661616134035
oct4333165234517
91062410476260
10304302340431
11108065813351
124ab862a3553
132290728a48b
1410a2a6b8555
157db0256656
hex46d9d5394f

304302340431 has 8 divisors (see below), whose sum is σ = 450818282160. Its totient is φ = 202868226936.

The previous prime is 304302340417. The next prime is 304302340439. The reversal of 304302340431 is 134043203403.

It is not a de Polignac number, because 304302340431 - 26 = 304302340367 is a prime.

It is a super-2 number, since 2×3043023404312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11270457053 = 304302340431 / (3 + 0 + 4 + 3 + 0 + 2 + 3 + 4 + 0 + 4 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 304302340395 and 304302340404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304302340439) 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, 5635228500 + ... + 5635228553.

It is an arithmetic number, because the mean of its divisors is an integer number (56352285270).

Almost surely, 2304302340431 is an apocalyptic number.

304302340431 is a deficient number, since it is larger than the sum of its proper divisors (146515941729).

304302340431 is a wasteful number, since it uses less digits than its factorization.

304302340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270457062 (or 11270457056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 304302340431 its reverse (134043203403), we get a palindrome (438345543834).

The spelling of 304302340431 in words is "three hundred four billion, three hundred two million, three hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 9 27 11270457053 33811371159 101434113477 304302340431