31594442899 has 2 divisors, whose sum is σ = 31594442900. Its totient is φ = 31594442898.

The previous prime is 31594442879. The next prime is 31594442917. The reversal of 31594442899 is 99824449513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31594442899 is a prime.

It is not a weakly prime, because it can be changed into another prime (31594442819) 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, 15797221449 + 15797221450.

It is an arithmetic number, because the mean of its divisors is an integer number (15797221450).

Almost surely, 2^31594442899 is an apocalyptic number.

31594442899 is a deficient number, since it is larger than the sum of its proper divisors (1).

31594442899 is an equidigital number, since it uses as much as digits as its factorization.

31594442899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 58.

The spelling of 31594442899 in words is "thirty-one billion, five hundred ninety-four million, four hundred forty-two thousand, eight hundred ninety-nine".