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213110301331 = 1911216331649
BaseRepresentation
bin1100011001111001011…
…1010010001010010011
3202101002000121222221101
43012132113102022103
511442422214120311
6241522421205231
721253033446604
oct3063627221223
9671060558841
10213110301331
118241a233684
1235376260817
1317133500425
14a45935ddab
155824412ec1
hex319e5d2293

213110301331 has 4 divisors (see below), whose sum is σ = 224326633000. Its totient is φ = 201893969664.

The previous prime is 213110301323. The next prime is 213110301359. The reversal of 213110301331 is 133103011312.

213110301331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213110301331 - 23 = 213110301323 is a prime.

It is a super-2 number, since 2×2131103013312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11216331649 = 213110301331 / (2 + 1 + 3 + 1 + 1 + 0 + 3 + 0 + 1 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213110301299 and 213110301308.

It is not an unprimeable number, because it can be changed into a prime (213110301361) 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 3 ways as a sum of consecutive naturals, for example, 5608165806 + ... + 5608165843.

It is an arithmetic number, because the mean of its divisors is an integer number (56081658250).

Almost surely, 2213110301331 is an apocalyptic number.

213110301331 is a deficient number, since it is larger than the sum of its proper divisors (11216331669).

213110301331 is a wasteful number, since it uses less digits than its factorization.

213110301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216331668.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 213110301331 its reverse (133103011312), we get a palindrome (346213312643).

The spelling of 213110301331 in words is "two hundred thirteen billion, one hundred ten million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 19 11216331649 213110301331