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303140220231 = 3562991794823
BaseRepresentation
bin1000110100101001001…
…00001010110101000111
31001222110100210202002010
410122110210022311013
514431312344021411
6351132150545303
730621045233352
oct4322444126507
91058410722063
10303140220231
1110761982a232
124a901068233
13227805997a4
141095a209299
157d431ee7a6
hex469490ad47

303140220231 has 8 divisors (see below), whose sum is σ = 404194364800. Its totient is φ = 202089777912.

The previous prime is 303140220223. The next prime is 303140220289. The reversal of 303140220231 is 132022041303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 303140220231 - 23 = 303140220223 is a prime.

It is a super-2 number, since 2×3031402202312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303140220198 and 303140220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303140220931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728515 + ... + 1066308.

It is an arithmetic number, because the mean of its divisors is an integer number (50524295600).

Almost surely, 2303140220231 is an apocalyptic number.

303140220231 is a deficient number, since it is larger than the sum of its proper divisors (101054144569).

303140220231 is a wasteful number, since it uses less digits than its factorization.

303140220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851125.

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

Adding to 303140220231 its reverse (132022041303), we get a palindrome (435162261534).

The spelling of 303140220231 in words is "three hundred three billion, one hundred forty million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 56299 168897 1794823 5384469 101046740077 303140220231