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231836441 is a prime number
BaseRepresentation
bin11011101000110…
…00101100011001
3121011020111210212
431310120230121
5433322231231
635001020505
75513401664
oct1564305431
9534214725
10231836441
11109958171
1265784735
1339053135
1422b0c6db
151554742b
hexdd18b19

231836441 has 2 divisors, whose sum is σ = 231836442. Its totient is φ = 231836440.

The previous prime is 231836431. The next prime is 231836467. The reversal of 231836441 is 144638132.

231836441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228130816 + 3705625 = 15104^2 + 1925^2 .

It is a cyclic number.

It is not a de Polignac number, because 231836441 - 26 = 231836377 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231836398 and 231836407.

It is not a weakly prime, because it can be changed into another prime (231836431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115918220 + 115918221.

It is an arithmetic number, because the mean of its divisors is an integer number (115918221).

Almost surely, 2231836441 is an apocalyptic number.

It is an amenable number.

231836441 is a deficient number, since it is larger than the sum of its proper divisors (1).

231836441 is an equidigital number, since it uses as much as digits as its factorization.

231836441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 231836441 is about 15226.1761778852. The cubic root of 231836441 is about 614.3189331826.

The spelling of 231836441 in words is "two hundred thirty-one million, eight hundred thirty-six thousand, four hundred forty-one".