31193683063 has 2 divisors, whose sum is σ = 31193683064. Its totient is φ = 31193683062.

The previous prime is 31193683057. The next prime is 31193683091. The reversal of 31193683063 is 36038639113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31193683063 - 2²¹ = 31191585911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31193383063) 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, 15596841531 + 15596841532.

It is an arithmetic number, because the mean of its divisors is an integer number (15596841532).

Almost surely, 2^31193683063 is an apocalyptic number.

31193683063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31193683063 is an equidigital number, since it uses as much as digits as its factorization.

31193683063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 31193683063 in words is "thirty-one billion, one hundred ninety-three million, six hundred eighty-three thousand, sixty-three".