31783193423983 has 2 divisors, whose sum is σ = 31783193423984. Its totient is φ = 31783193423982.

The previous prime is 31783193423903. The next prime is 31783193424007. The reversal of 31783193423983 is 38932439138713.

It is a strong prime.

It is an emirp because it is prime and its reverse (38932439138713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31783193423983 - 2¹³ = 31783193415791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31783193423903) 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, 15891596711991 + 15891596711992.

It is an arithmetic number, because the mean of its divisors is an integer number (15891596711992).

Almost surely, 2^{31783193423983} is an apocalyptic number.

31783193423983 is a deficient number, since it is larger than the sum of its proper divisors (1).

31783193423983 is an equidigital number, since it uses as much as digits as its factorization.

31783193423983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 64.

The spelling of 31783193423983 in words is "thirty-one trillion, seven hundred eighty-three billion, one hundred ninety-three million, four hundred twenty-three thousand, nine hundred eighty-three".