Search a number
-
+
231123310 = 25112251761
BaseRepresentation
bin11011100011010…
…10100101101110
3121002220021120121
431301222211232
5433131421220
634533435154
75504341615
oct1561524556
9532807517
10231123310
11109510400
126549baba
1338b63672
14229a487c
1515455eaa
hexdc6a96e

231123310 has 48 divisors (see below), whose sum is σ = 459705456. Its totient is φ = 83600000.

The previous prime is 231123271. The next prime is 231123337. The reversal of 231123310 is 13321132.

It is a super-2 number, since 2×2311233102 = 106835968850712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303330 + ... + 304090.

It is an arithmetic number, because the mean of its divisors is an integer number (9577197).

Almost surely, 2231123310 is an apocalyptic number.

231123310 is a deficient number, since it is larger than the sum of its proper divisors (228582146).

231123310 is a wasteful number, since it uses less digits than its factorization.

231123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1030 counting only the distinct ones).

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

The square root of 231123310 is about 15202.7402135273. The cubic root of 231123310 is about 613.6884026932.

Adding to 231123310 its reverse (13321132), we get a palindrome (244444442).

The spelling of 231123310 in words is "two hundred thirty-one million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 121 242 251 502 605 761 1210 1255 1522 2510 2761 3805 5522 7610 8371 13805 16742 27610 30371 41855 60742 83710 92081 151855 184162 191011 303710 382022 460405 920810 955055 1910110 2101121 4202242 10505605 21011210 23112331 46224662 115561655 231123310