31142332159 has 2 divisors, whose sum is σ = 31142332160. Its totient is φ = 31142332158.

The previous prime is 31142332093. The next prime is 31142332163. The reversal of 31142332159 is 95123324113.

It is a strong prime.

It is an emirp because it is prime and its reverse (95123324113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31142332159 - 2⁷ = 31142332031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31146332159) 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, 15571166079 + 15571166080.

It is an arithmetic number, because the mean of its divisors is an integer number (15571166080).

Almost surely, 2^31142332159 is an apocalyptic number.

31142332159 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142332159 is an equidigital number, since it uses as much as digits as its factorization.

31142332159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The spelling of 31142332159 in words is "thirty-one billion, one hundred forty-two million, three hundred thirty-two thousand, one hundred fifty-nine".