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201313331 = 2910764877
BaseRepresentation
bin10111111111111…
…00110000110011
3112000210202222022
423333330300303
5403014011311
631550502055
74663064222
oct1377746063
9460722868
10201313331
11a36aa75a
125750492b
133292701b
141ca44cb9
1512a185db
hexbffcc33

201313331 has 8 divisors (see below), whose sum is σ = 210204720. Its totient is φ = 192551968.

The previous prime is 201313327. The next prime is 201313339. The reversal of 201313331 is 133313102.

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 201313331 - 22 = 201313327 is a prime.

It is a super-2 number, since 2×2013133312 = 81054114476631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201313339) 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 7 ways as a sum of consecutive naturals, for example, 29336 + ... + 35541.

It is an arithmetic number, because the mean of its divisors is an integer number (26275590).

Almost surely, 2201313331 is an apocalyptic number.

201313331 is a deficient number, since it is larger than the sum of its proper divisors (8891389).

201313331 is a wasteful number, since it uses less digits than its factorization.

201313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65013.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 201313331 is about 14188.4929079871. The cubic root of 201313331 is about 586.0808236122.

Adding to 201313331 its reverse (133313102), we get a palindrome (334626433).

The spelling of 201313331 in words is "two hundred one million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 29 107 3103 64877 1881433 6941839 201313331