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231341043 = 377113681
BaseRepresentation
bin11011100100111…
…11101111110011
3121010022100020210
431302133233303
5433210403133
634542235203
75506236453
oct1562375763
9533270223
10231341043
11109649a4a
1265585b03
1338c0b7bb
1422a1dd63
151549a763
hexdc9fbf3

231341043 has 4 divisors (see below), whose sum is σ = 308454728. Its totient is φ = 154227360.

The previous prime is 231341039. The next prime is 231341053. The reversal of 231341043 is 340143132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231341043 - 22 = 231341039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231341053) 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, 38556838 + ... + 38556843.

It is an arithmetic number, because the mean of its divisors is an integer number (77113682).

Almost surely, 2231341043 is an apocalyptic number.

231341043 is a deficient number, since it is larger than the sum of its proper divisors (77113685).

231341043 is an equidigital number, since it uses as much as digits as its factorization.

231341043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77113684.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 231341043 is about 15209.8995065714. The cubic root of 231341043 is about 613.8810535042.

Adding to 231341043 its reverse (340143132), we get a palindrome (571484175).

The spelling of 231341043 in words is "two hundred thirty-one million, three hundred forty-one thousand, forty-three".

Divisors: 1 3 77113681 231341043