41231431309 has 2 divisors, whose sum is σ = 41231431310. Its totient is φ = 41231431308.

The previous prime is 41231431291. The next prime is 41231431331. The reversal of 41231431309 is 90313413214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20967908809 + 20263522500 = 144803^2 + 142350^2 .

It is a cyclic number.

It is not a de Polignac number, because 41231431309 - 2⁹ = 41231430797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41231431349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20615715654 + 20615715655.

It is an arithmetic number, because the mean of its divisors is an integer number (20615715655).

Almost surely, 2^41231431309 is an apocalyptic number.

It is an amenable number.

41231431309 is a deficient number, since it is larger than the sum of its proper divisors (1).

41231431309 is an equidigital number, since it uses as much as digits as its factorization.

41231431309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 41231431309 in words is "forty-one billion, two hundred thirty-one million, four hundred thirty-one thousand, three hundred nine".