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2231313112 = 23739844877
BaseRepresentation
bin1000010011111111…
…0010001011011000
312202111121110011101
42010333302023120
514032204004422
61005224441144
7106202564020
oct20477621330
95674543141
102231313112
11a45577626
125233191b4
13297376222
141724aca80
15d0d54c27
hex84ff22d8

2231313112 has 16 divisors (see below), whose sum is σ = 4781385360. Its totient is φ = 956277024.

The previous prime is 2231313107. The next prime is 2231313131. The reversal of 2231313112 is 2113131322.

2231313112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22313131123 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231313112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19922383 + ... + 19922494.

It is an arithmetic number, because the mean of its divisors is an integer number (298836585).

Almost surely, 22231313112 is an apocalyptic number.

It is an amenable number.

2231313112 is an abundant number, since it is smaller than the sum of its proper divisors (2550072248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231313112 is a wasteful number, since it uses less digits than its factorization.

2231313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39844890 (or 39844886 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2231313112 is about 47236.7771127540. Note that the first 3 decimals coincide. The cubic root of 2231313112 is about 1306.7329408400.

Adding to 2231313112 its reverse (2113131322), we get a palindrome (4344444434).

The spelling of 2231313112 in words is "two billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 39844877 79689754 159379508 278914139 318759016 557828278 1115656556 2231313112