31841348009 has 2 divisors, whose sum is σ = 31841348010. Its totient is φ = 31841348008.

The previous prime is 31841347997. The next prime is 31841348047. The reversal of 31841348009 is 90084314813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30079699225 + 1761648784 = 173435^2 + 41972^2 .

It is a cyclic number.

It is not a de Polignac number, because 31841348009 - 2²⁰ = 31840299433 is a prime.

It is not a weakly prime, because it can be changed into another prime (31841348059) 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, 15920674004 + 15920674005.

It is an arithmetic number, because the mean of its divisors is an integer number (15920674005).

Almost surely, 2^31841348009 is an apocalyptic number.

It is an amenable number.

31841348009 is a deficient number, since it is larger than the sum of its proper divisors (1).

31841348009 is an equidigital number, since it uses as much as digits as its factorization.

31841348009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 31841348009 in words is "thirty-one billion, eight hundred forty-one million, three hundred forty-eight thousand, nine".