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212020300231 = 6710743736763
BaseRepresentation
bin1100010101110101100…
…1010000100111000111
3202021021001121012112021
43011131121100213013
511433204144101411
6241222322504011
721214026550045
oct3053531204707
9667231535467
10212020300231
1181a0aa28723
1235111205007
1316cbb74096c
14a3946a5395
1557ad8a4a71
hex315d6509c7

212020300231 has 16 divisors (see below), whose sum is σ = 217277645184. Its totient is φ = 206825994144.

The previous prime is 212020300201. The next prime is 212020300279. The reversal of 212020300231 is 132003020212.

212020300231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212020300231 - 211 = 212020298183 is a prime.

It is a super-2 number, since 2×2120203002312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020300201) 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 15 ways as a sum of consecutive naturals, for example, 31346656 + ... + 31353418.

It is an arithmetic number, because the mean of its divisors is an integer number (13579852824).

Almost surely, 2212020300231 is an apocalyptic number.

212020300231 is a deficient number, since it is larger than the sum of its proper divisors (5257344953).

212020300231 is a wasteful number, since it uses less digits than its factorization.

212020300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212020300231 its reverse (132003020212), we get a palindrome (344023320443).

The spelling of 212020300231 in words is "two hundred twelve billion, twenty million, three hundred thousand, two hundred thirty-one".

Divisors: 1 67 107 4373 6763 7169 292991 453121 467911 723641 29574599 31350037 48483947 1981498133 3164482093 212020300231