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2231300231 = 47137346529
BaseRepresentation
bin1000010011111110…
…1111000010000111
312202111120210111022
42010333233002013
514032203101411
61005224301355
7106202511326
oct20477570207
95674523438
102231300231
11a45568986
1252331185b
132973703c4
141724a80bd
15d0d50edb
hex84fef087

2231300231 has 8 divisors (see below), whose sum is σ = 2295414720. Its totient is φ = 2167879168.

The previous prime is 2231300191. The next prime is 2231300233. The reversal of 2231300231 is 1320031322.

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 2231300231 - 218 = 2231038087 is a prime.

It is a super-3 number, since 3×22313002313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231300233) 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 7 ways as a sum of consecutive naturals, for example, 166826 + ... + 179703.

It is an arithmetic number, because the mean of its divisors is an integer number (286926840).

Almost surely, 22231300231 is an apocalyptic number.

2231300231 is a deficient number, since it is larger than the sum of its proper divisors (64114489).

2231300231 is a wasteful number, since it uses less digits than its factorization.

2231300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346713.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2231300231 is about 47236.6407675228. The cubic root of 2231300231 is about 1306.7304263178.

Adding to 2231300231 its reverse (1320031322), we get a palindrome (3551331553).

The spelling of 2231300231 in words is "two billion, two hundred thirty-one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 47 137 6439 346529 16286863 47474473 2231300231