31663093711 has 2 divisors, whose sum is σ = 31663093712. Its totient is φ = 31663093710.

The previous prime is 31663093703. The next prime is 31663093741. The reversal of 31663093711 is 11739036613.

It is a weak prime.

It is an emirp because it is prime and its reverse (11739036613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31663093711 - 2³ = 31663093703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31663093741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15831546855 + 15831546856.

It is an arithmetic number, because the mean of its divisors is an integer number (15831546856).

Almost surely, 2^31663093711 is an apocalyptic number.

31663093711 is a deficient number, since it is larger than the sum of its proper divisors (1).

31663093711 is an equidigital number, since it uses as much as digits as its factorization.

31663093711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 31663093711 in words is "thirty-one billion, six hundred sixty-three million, ninety-three thousand, seven hundred eleven".