231295767541 has 2 divisors, whose sum is σ = 231295767542. Its totient is φ = 231295767540.

The previous prime is 231295767499. The next prime is 231295767559. The reversal of 231295767541 is 145767592132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228015800100 + 3279967441 = 477510^2 + 57271^2 .

It is a cyclic number.

It is not a de Polignac number, because 231295767541 - 2⁹ = 231295767029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231295768541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115647883770 + 115647883771.

It is an arithmetic number, because the mean of its divisors is an integer number (115647883771).

Almost surely, 2^231295767541 is an apocalyptic number.

It is an amenable number.

231295767541 is a deficient number, since it is larger than the sum of its proper divisors (1).

231295767541 is an equidigital number, since it uses as much as digits as its factorization.

231295767541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 52.

The spelling of 231295767541 in words is "two hundred thirty-one billion, two hundred ninety-five million, seven hundred sixty-seven thousand, five hundred forty-one".