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213122200231 = 2112387942299
BaseRepresentation
bin1100011001111100010…
…0101011001010100111
3202101002212000112011101
43012133010223022213
511442433240401411
6241523524220531
721253236545353
oct3063704531247
9671085015141
10213122200231
1182425a20486
123537a23a747
1317135b083b5
14a45ab7a463
1558254b38c1
hex319f12b2a7

213122200231 has 8 divisors (see below), whose sum is σ = 214146288000. Its totient is φ = 212098245240.

The previous prime is 213122200211. The next prime is 213122200259. The reversal of 213122200231 is 132002221312.

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 213122200231 - 27 = 213122200103 is a prime.

It is a super-2 number, since 2×2131222002312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213122200199 and 213122200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122200201) 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, 5017320 + ... + 5059618.

It is an arithmetic number, because the mean of its divisors is an integer number (26768286000).

Almost surely, 2213122200231 is an apocalyptic number.

213122200231 is a deficient number, since it is larger than the sum of its proper divisors (1024087769).

213122200231 is a wasteful number, since it uses less digits than its factorization.

213122200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66389.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213122200231 its reverse (132002221312), we get a palindrome (345124421543).

The spelling of 213122200231 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred thousand, two hundred thirty-one".

Divisors: 1 211 23879 42299 5038469 8925089 1010057821 213122200231