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302131013223 = 31341941200797
BaseRepresentation
bin1000110010110000110…
…10010110011001100111
31001212212000210201022210
410121120122112121213
514422231014410343
6350444100054503
730554042145024
oct4313032263147
91055760721283
10302131013223
11107151098056
124a67b094433
132264c487990
14108a218254b
157cd4800333
hex4658696667

302131013223 has 32 divisors (see below), whose sum is σ = 444884836032. Its totient is φ = 181198310400.

The previous prime is 302131013213. The next prime is 302131013281. The reversal of 302131013223 is 322310131203.

It is not a de Polignac number, because 302131013223 - 26 = 302131013159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302131013223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302131013213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1404261 + ... + 1605057.

It is an arithmetic number, because the mean of its divisors is an integer number (13902651126).

Almost surely, 2302131013223 is an apocalyptic number.

302131013223 is a deficient number, since it is larger than the sum of its proper divisors (142753822809).

302131013223 is a wasteful number, since it uses less digits than its factorization.

302131013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201795.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 302131013223 its reverse (322310131203), we get a palindrome (624441144426).

The spelling of 302131013223 in words is "three hundred two billion, one hundred thirty-one million, thirteen thousand, two hundred twenty-three".

Divisors: 1 3 13 39 41 123 533 941 1599 2823 12233 36699 38581 115743 200797 501553 602391 1504659 2610361 7831083 8232677 24698031 107024801 188949977 321074403 566849931 2456349701 7369049103 7746949057 23240847171 100710337741 302131013223