Search a number
-
+
231113230 = 2523111323
BaseRepresentation
bin11011100011010…
…00001000001110
3121002212202202021
431301220020032
5433131110410
634533320354
75504300335
oct1561501016
9532782667
10231113230
11109503877
12654960ba
1338b5bbba
14229a0d1c
1515452eda
hexdc6820e

231113230 has 8 divisors (see below), whose sum is σ = 416003832. Its totient is φ = 92445288.

The previous prime is 231113219. The next prime is 231113237. The reversal of 231113230 is 32311132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231113237) 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, 11555652 + ... + 11555671.

It is an arithmetic number, because the mean of its divisors is an integer number (52000479).

Almost surely, 2231113230 is an apocalyptic number.

231113230 is a deficient number, since it is larger than the sum of its proper divisors (184890602).

231113230 is a wasteful number, since it uses less digits than its factorization.

231113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23111330.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 231113230 is about 15202.4086907306. The cubic root of 231113230 is about 613.6794809492.

Adding to 231113230 its reverse (32311132), we get a palindrome (263424362).

The spelling of 231113230 in words is "two hundred thirty-one million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 23111323 46222646 115556615 231113230