31028164903 has 2 divisors, whose sum is σ = 31028164904. Its totient is φ = 31028164902.

The previous prime is 31028164891. The next prime is 31028164931. The reversal of 31028164903 is 30946182013.

It is a weak prime.

It is an emirp because it is prime and its reverse (30946182013) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31028164903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31028164003) 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, 15514082451 + 15514082452.

It is an arithmetic number, because the mean of its divisors is an integer number (15514082452).

Almost surely, 2^31028164903 is an apocalyptic number.

31028164903 is a deficient number, since it is larger than the sum of its proper divisors (1).

31028164903 is an equidigital number, since it uses as much as digits as its factorization.

31028164903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 31028164903 in words is "thirty-one billion, twenty-eight million, one hundred sixty-four thousand, nine hundred three".