31104300173 has 2 divisors, whose sum is σ = 31104300174. Its totient is φ = 31104300172.

The previous prime is 31104300167. The next prime is 31104300251. The reversal of 31104300173 is 37100340113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16014143209 + 15090156964 = 126547^2 + 122842^2 .

It is a cyclic number.

It is not a de Polignac number, because 31104300173 - 2²⁶ = 31037191309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31104300103) 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, 15552150086 + 15552150087.

It is an arithmetic number, because the mean of its divisors is an integer number (15552150087).

Almost surely, 2^31104300173 is an apocalyptic number.

It is an amenable number.

31104300173 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104300173 is an equidigital number, since it uses as much as digits as its factorization.

31104300173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 31104300173 its reverse (37100340113), we get a palindrome (68204640286).

The spelling of 31104300173 in words is "thirty-one billion, one hundred four million, three hundred thousand, one hundred seventy-three".