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2231313113 = 5011445283
BaseRepresentation
bin1000010011111111…
…0010001011011001
312202111121110011102
42010333302023121
514032204004423
61005224441145
7106202564021
oct20477621331
95674543142
102231313113
11a45577627
125233191b5
13297376223
141724aca81
15d0d54c28
hex84ff22d9

2231313113 has 4 divisors (see below), whose sum is σ = 2231763408. Its totient is φ = 2230862820.

The previous prime is 2231313107. The next prime is 2231313131. The reversal of 2231313113 is 3113131322.

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 2231313113 - 210 = 2231312089 is a prime.

It is a super-3 number, since 3×22313131133 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231313103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217631 + ... + 227652.

It is an arithmetic number, because the mean of its divisors is an integer number (557940852).

Almost surely, 22231313113 is an apocalyptic number.

It is an amenable number.

2231313113 is a deficient number, since it is larger than the sum of its proper divisors (450295).

2231313113 is an equidigital number, since it uses as much as digits as its factorization.

2231313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450294.

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

The square root of 2231313113 is about 47236.7771233390. Note that the first 3 decimals coincide. The cubic root of 2231313113 is about 1306.7329410352.

Adding to 2231313113 its reverse (3113131322), we get a palindrome (5344444435).

The spelling of 2231313113 in words is "two billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred thirteen".

Divisors: 1 5011 445283 2231313113