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212302211223131 = 409701740479759
BaseRepresentation
bin110000010001011001110101…
…111000101000111001011011
31000211200220010010102221222222
4300101121311320220321123
5210311324412033120011
62031310142302534255
762501220464334311
oct6021316570507133
91024626103387888
10212302211223131
116171195358a087
121b989710b9738b
13916002193b203
143a5d6a62a40b1
151982703855ddb
hexc11675e28e5b

212302211223131 has 8 divisors (see below), whose sum is σ = 213124884523200. Its totient is φ = 211481018884800.

The previous prime is 212302211223101. The next prime is 212302211223133. The reversal of 212302211223131 is 131322112203212.

212302211223131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212302211223131 - 222 = 212302207028827 is a prime.

It is a super-2 number, since 2×2123022112231312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212302211223131.

It is not an unprimeable number, because it can be changed into a prime (212302211223133) 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, 369953171 + ... + 370526588.

It is an arithmetic number, because the mean of its divisors is an integer number (26640610565400).

Almost surely, 2212302211223131 is an apocalyptic number.

212302211223131 is a deficient number, since it is larger than the sum of its proper divisors (822673300069).

212302211223131 is an equidigital number, since it uses as much as digits as its factorization.

212302211223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740480869.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 212302211223131 its reverse (131322112203212), we get a palindrome (343624323426343).

The spelling of 212302211223131 in words is "two hundred twelve trillion, three hundred two billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 409 701 286709 740479759 302856221431 519076311059 212302211223131