231006773 has 2 divisors, whose sum is σ = 231006774. Its totient is φ = 231006772.

The previous prime is 231006749. The next prime is 231006781. The reversal of 231006773 is 377600132.

231006773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122367844 + 108638929 = 11062^2 + 10423^2 .

It is a cyclic number.

It is not a de Polignac number, because 231006773 - 2¹⁶ = 230941237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231006703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115503386 + 115503387.

It is an arithmetic number, because the mean of its divisors is an integer number (115503387).

Almost surely, 2^231006773 is an apocalyptic number.

It is an amenable number.

231006773 is a deficient number, since it is larger than the sum of its proper divisors (1).

231006773 is an equidigital number, since it uses as much as digits as its factorization.

231006773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 231006773 is about 15198.9069672789. The cubic root of 231006773 is about 613.5852406929.

The spelling of 231006773 in words is "two hundred thirty-one million, six thousand, seven hundred seventy-three".