231461767 has 2 divisors, whose sum is σ = 231461768. Its totient is φ = 231461766.

The previous prime is 231461761. The next prime is 231461771. The reversal of 231461767 is 767164132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231461767 - 2⁷ = 231461639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231461761) 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, 115730883 + 115730884.

It is an arithmetic number, because the mean of its divisors is an integer number (115730884).

Almost surely, 2^231461767 is an apocalyptic number.

231461767 is a deficient number, since it is larger than the sum of its proper divisors (1).

231461767 is an equidigital number, since it uses as much as digits as its factorization.

231461767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 231461767 is about 15213.8675884865. The cubic root of 231461767 is about 613.9878183735.

The spelling of 231461767 in words is "two hundred thirty-one million, four hundred sixty-one thousand, seven hundred sixty-seven".