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213301903331 = 1123843090527
BaseRepresentation
bin1100011010100111001…
…0001011111111100011
3202101120101011101110202
43012221302023333203
511443320241401311
6241553424015415
721260551156166
oct3065162137743
9671511141422
10213301903331
1182508400040
123540a46156b
13171641070aa
14a476997add
15583615de3b
hex31a9c8bfe3

213301903331 has 8 divisors (see below), whose sum is σ = 242810072064. Its totient is φ = 185479915720.

The previous prime is 213301903279. The next prime is 213301903349. The reversal of 213301903331 is 133309103312.

It is a happy number.

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

It is not a de Polignac number, because 213301903331 - 214 = 213301886947 is a prime.

It is a super-2 number, since 2×2133019033312 (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 = 213301903294 and 213301903303.

It is not an unprimeable number, because it can be changed into a prime (213301903351) 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, 421545011 + ... + 421545516.

It is an arithmetic number, because the mean of its divisors is an integer number (30351259008).

Almost surely, 2213301903331 is an apocalyptic number.

213301903331 is a deficient number, since it is larger than the sum of its proper divisors (29508168733).

213301903331 is a wasteful number, since it uses less digits than its factorization.

213301903331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843090561.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 213301903331 in words is "two hundred thirteen billion, three hundred one million, nine hundred three thousand, three hundred thirty-one".

Divisors: 1 11 23 253 843090527 9273995797 19391082121 213301903331