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213231203301203 = 23193145193308483
BaseRepresentation
bin110000011110111011000010…
…001000001011011101010011
31000221222201000011221012122122
4300132323002020023131103
5210422040001021114303
62033301021255124455
762625305665606643
oct6036730210133523
91027881004835578
10213231203301203
1161a3a93337927a
121bab977667372b
1391c9801a0a4a9
143a92633cc4523
15199b976262e38
hexc1eec220b753

213231203301203 has 16 divisors (see below), whose sum is σ = 223670457838080. Its totient is φ = 202889456039424.

The previous prime is 213231203301187. The next prime is 213231203301223. The reversal of 213231203301203 is 302103302132312.

It is a cyclic number.

It is not a de Polignac number, because 213231203301203 - 24 = 213231203301187 is a prime.

It is a super-2 number, since 2×2132312033012032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213231203301223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62795600 + ... + 66104082.

It is an arithmetic number, because the mean of its divisors is an integer number (13979403614880).

Almost surely, 2213231203301203 is an apocalyptic number.

213231203301203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213231203301203 is a deficient number, since it is larger than the sum of its proper divisors (10439254536877).

213231203301203 is a wasteful number, since it uses less digits than its factorization.

213231203301203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323218.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213231203301203 its reverse (302103302132312), we get a palindrome (515334505433515).

The spelling of 213231203301203 in words is "two hundred thirteen trillion, two hundred thirty-one billion, two hundred three million, three hundred one thousand, two hundred three".

Divisors: 1 23 193 4439 14519 333937 2802167 3308483 64449841 76095109 638537219 14686356037 48035864677 1104824887571 9270921882661 213231203301203