231184061 has 2 divisors, whose sum is σ = 231184062. Its totient is φ = 231184060.

The previous prime is 231184043. The next prime is 231184067. The reversal of 231184061 is 160481132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218892025 + 12292036 = 14795^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 231184061 - 2¹⁸ = 230921917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231184061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231184067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115592030 + 115592031.

It is an arithmetic number, because the mean of its divisors is an integer number (115592031).

Almost surely, 2^231184061 is an apocalyptic number.

It is an amenable number.

231184061 is a deficient number, since it is larger than the sum of its proper divisors (1).

231184061 is an equidigital number, since it uses as much as digits as its factorization.

231184061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 231184061 is about 15204.7381102076. The cubic root of 231184061 is about 613.7421675256.

The spelling of 231184061 in words is "two hundred thirty-one million, one hundred eighty-four thousand, sixty-one".