31103018919019 has 2 divisors, whose sum is σ = 31103018919020. Its totient is φ = 31103018919018.

The previous prime is 31103018918887. The next prime is 31103018919029. The reversal of 31103018919019 is 91091981030113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31103018919019 is a prime.

It is a super-2 number, since 2×31103018919019² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31103018919019.

It is not a weakly prime, because it can be changed into another prime (31103018919029) 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, 15551509459509 + 15551509459510.

It is an arithmetic number, because the mean of its divisors is an integer number (15551509459510).

Almost surely, 2^{31103018919019} is an apocalyptic number.

31103018919019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103018919019 is an equidigital number, since it uses as much as digits as its factorization.

31103018919019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 31103018919019 in words is "thirty-one trillion, one hundred three billion, eighteen million, nine hundred nineteen thousand, nineteen".