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302310000221 = 31169921112719
BaseRepresentation
bin1000110011000110001…
…01001000011001011101
31001220022111121012022212
410121203011020121131
514423112330001341
6350513532250205
730561344414015
oct4314305103135
91056274535285
10302310000221
11107233128699
124a70b010965
132267a595748
14108bbc54c45
157ce53a85eb
hex466314865d

302310000221 has 16 divisors (see below), whose sum is σ = 312508416000. Its totient is φ = 292139881200.

The previous prime is 302310000191. The next prime is 302310000227. The reversal of 302310000221 is 122000013203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 302310000221 - 218 = 302309738077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302310000196 and 302310000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302310000227) 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 15 ways as a sum of consecutive naturals, for example, 111182900 + ... + 111185618.

It is an arithmetic number, because the mean of its divisors is an integer number (19531776000).

Almost surely, 2302310000221 is an apocalyptic number.

302310000221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

302310000221 is a deficient number, since it is larger than the sum of its proper divisors (10198415779).

302310000221 is a wasteful number, since it uses less digits than its factorization.

302310000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 302310000221 its reverse (122000013203), we get a palindrome (424310013424).

The spelling of 302310000221 in words is "three hundred two billion, three hundred ten million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 31 1699 2111 2719 52669 65441 84289 3586589 4619581 5739809 111184259 143207011 177934079 9751935491 302310000221