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231103041 = 31334717077
BaseRepresentation
bin11011100011001…
…01101001000001
3121002212020202220
431301211221001
5433130244131
634533201253
75504225541
oct1561455101
9532766686
10231103041
111094a7154
1265490229
1338b57380
142299b321
151544ee96
hexdc65a41

231103041 has 16 divisors (see below), whose sum is σ = 332816064. Its totient is φ = 141799104.

The previous prime is 231103021. The next prime is 231103063. The reversal of 231103041 is 140301132.

It is not a de Polignac number, because 231103041 - 25 = 231103009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231103041.

It is not an unprimeable number, because it can be changed into a prime (231103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4995 + ... + 22071.

It is an arithmetic number, because the mean of its divisors is an integer number (20801004).

Almost surely, 2231103041 is an apocalyptic number.

It is an amenable number.

231103041 is a deficient number, since it is larger than the sum of its proper divisors (101713023).

231103041 is a wasteful number, since it uses less digits than its factorization.

231103041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 231103041 is about 15202.0735756672. The cubic root of 231103041 is about 613.6704624663.

Adding to 231103041 its reverse (140301132), we get a palindrome (371404173).

The spelling of 231103041 in words is "two hundred thirty-one million, one hundred three thousand, forty-one".

Divisors: 1 3 13 39 347 1041 4511 13533 17077 51231 222001 666003 5925719 17777157 77034347 231103041