231124169 has 2 divisors, whose sum is σ = 231124170. Its totient is φ = 231124168.

The previous prime is 231124141. The next prime is 231124177. The reversal of 231124169 is 961421132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160782400 + 70341769 = 12680^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 231124169 - 2¹² = 231120073 is a prime.

It is a super-2 number, since 2×231124169² = 106836762991881122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231124199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115562084 + 115562085.

It is an arithmetic number, because the mean of its divisors is an integer number (115562085).

Almost surely, 2^231124169 is an apocalyptic number.

It is an amenable number.

231124169 is a deficient number, since it is larger than the sum of its proper divisors (1).

231124169 is an equidigital number, since it uses as much as digits as its factorization.

231124169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 231124169 is about 15202.7684649869. The cubic root of 231124169 is about 613.6891629766.

The spelling of 231124169 in words is "two hundred thirty-one million, one hundred twenty-four thousand, one hundred sixty-nine".