40431353141 has 2 divisors, whose sum is σ = 40431353142. Its totient is φ = 40431353140.

The previous prime is 40431353111. The next prime is 40431353159. The reversal of 40431353141 is 14135313404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40427134225 + 4218916 = 201065^2 + 2054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40431353141 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 (40431353111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215676570 + 20215676571.

It is an arithmetic number, because the mean of its divisors is an integer number (20215676571).

Almost surely, 2^40431353141 is an apocalyptic number.

It is an amenable number.

40431353141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40431353141 is an equidigital number, since it uses as much as digits as its factorization.

40431353141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 40431353141 its reverse (14135313404), we get a palindrome (54566666545).

The spelling of 40431353141 in words is "forty billion, four hundred thirty-one million, three hundred fifty-three thousand, one hundred forty-one".