1311110173 has 2 divisors, whose sum is σ = 1311110174. Its totient is φ = 1311110172.

The previous prime is 1311110113. The next prime is 1311110183. The reversal of 1311110173 is 3710111131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310222809 + 887364 = 36197^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311110173 - 2¹⁷ = 1310979101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311110173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311110113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655555086 + 655555087.

It is an arithmetic number, because the mean of its divisors is an integer number (655555087).

Almost surely, 2^1311110173 is an apocalyptic number.

It is an amenable number.

1311110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311110173 is an equidigital number, since it uses as much as digits as its factorization.

1311110173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 1311110173 is about 36209.2553499792. The cubic root of 1311110173 is about 1094.4931866435.

The spelling of 1311110173 in words is "one billion, three hundred eleven million, one hundred ten thousand, one hundred seventy-three".