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231124541 is a prime number
BaseRepresentation
bin11011100011010…
…10111000111101
3121002220100021012
431301222320331
5433131441131
634533445005
75504345324
oct1561527075
9532810235
10231124541
1110951131a
12654a0765
1338b640ab
14229a50bb
151545652b
hexdc6ae3d

231124541 has 2 divisors, whose sum is σ = 231124542. Its totient is φ = 231124540.

The previous prime is 231124529. The next prime is 231124591. The reversal of 231124541 is 145421132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230402041 + 722500 = 15179^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 231124541 - 222 = 226930237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231124591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115562270 + 115562271.

It is an arithmetic number, because the mean of its divisors is an integer number (115562271).

Almost surely, 2231124541 is an apocalyptic number.

It is an amenable number.

231124541 is a deficient number, since it is larger than the sum of its proper divisors (1).

231124541 is an equidigital number, since it uses as much as digits as its factorization.

231124541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 231124541 is about 15202.7806995957. The cubic root of 231124541 is about 613.6894922257.

Adding to 231124541 its reverse (145421132), we get a palindrome (376545673).

The spelling of 231124541 in words is "two hundred thirty-one million, one hundred twenty-four thousand, five hundred forty-one".