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213303021311 = 1811387384947
BaseRepresentation
bin1100011010100111011…
…0011100111011111111
3202101120110021012001102
43012221312130323333
511443321033140221
6241553504003315
721260563523462
oct3065166347377
9671513235042
10213303021311
1182508aa3a96
123540a90053b
1317164408c13
14a476ba92d9
1558362d030b
hex31a9d9ceff

213303021311 has 8 divisors (see below), whose sum is σ = 214499476464. Its totient is φ = 212106764160.

The previous prime is 213303021307. The next prime is 213303021343. The reversal of 213303021311 is 113120303312.

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 213303021311 - 22 = 213303021307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303021011) 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, 2468540 + ... + 2553486.

It is an arithmetic number, because the mean of its divisors is an integer number (26812434558).

Almost surely, 2213303021311 is an apocalyptic number.

213303021311 is a deficient number, since it is larger than the sum of its proper divisors (1196455153).

213303021311 is a wasteful number, since it uses less digits than its factorization.

213303021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99001.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213303021311 its reverse (113120303312), we get a palindrome (326423324623).

The spelling of 213303021311 in words is "two hundred thirteen billion, three hundred three million, twenty-one thousand, three hundred eleven".

Divisors: 1 181 13873 84947 2511013 15375407 1178469731 213303021311