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231341241 = 377113747
BaseRepresentation
bin11011100100111…
…11110010111001
3121010022100112010
431302133302321
5433210404431
634542240133
75506240155
oct1562376271
9533270463
10231341241
1110964a10a
1265586049
1338c0b911
1422a20065
151549a846
hexdc9fcb9

231341241 has 4 divisors (see below), whose sum is σ = 308454992. Its totient is φ = 154227492.

The previous prime is 231341239. The next prime is 231341249. The reversal of 231341241 is 142143132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 231341241 - 21 = 231341239 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231341249) 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, 38556871 + ... + 38556876.

It is an arithmetic number, because the mean of its divisors is an integer number (77113748).

Almost surely, 2231341241 is an apocalyptic number.

It is an amenable number.

231341241 is a deficient number, since it is larger than the sum of its proper divisors (77113751).

231341241 is an equidigital number, since it uses as much as digits as its factorization.

231341241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77113750.

The product of its digits is 576, while the sum is 21.

The square root of 231341241 is about 15209.9060154887. The cubic root of 231341241 is about 613.8812286401.

Adding to 231341241 its reverse (142143132), we get a palindrome (373484373).

The spelling of 231341241 in words is "two hundred thirty-one million, three hundred forty-one thousand, two hundred forty-one".

Divisors: 1 3 77113747 231341241