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201303221213 = 463943393667
BaseRepresentation
bin1011101101111010011…
…0110110001111011101
3201020121011112011220202
42323132212312033131
511244232111034323
6232251042353245
720354324101523
oct2733646661735
9636534464822
10201303221213
1178410469626
123302005b825
1315ca13143a3
149a59200313
155382a9dd28
hex2ede9b63dd

201303221213 has 4 divisors (see below), whose sum is σ = 201346619520. Its totient is φ = 201259822908.

The previous prime is 201303221191. The next prime is 201303221243. The reversal of 201303221213 is 312122303102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201303221213 - 210 = 201303220189 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 (201303221243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21692195 + ... + 21701472.

It is an arithmetic number, because the mean of its divisors is an integer number (50336654880).

Almost surely, 2201303221213 is an apocalyptic number.

It is an amenable number.

201303221213 is a deficient number, since it is larger than the sum of its proper divisors (43398307).

201303221213 is an equidigital number, since it uses as much as digits as its factorization.

201303221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43398306.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201303221213 its reverse (312122303102), we get a palindrome (513425524315).

The spelling of 201303221213 in words is "two hundred one billion, three hundred three million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 4639 43393667 201303221213