113211321173 has 2 divisors, whose sum is σ = 113211321174. Its totient is φ = 113211321172.

The previous prime is 113211321151. The next prime is 113211321247. The reversal of 113211321173 is 371123112311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107480376964 + 5730944209 = 327842^2 + 75703^2 .

It is a cyclic number.

It is not a de Polignac number, because 113211321173 - 2⁸ = 113211320917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113211311173) 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, 56605660586 + 56605660587.

It is an arithmetic number, because the mean of its divisors is an integer number (56605660587).

Almost surely, 2^113211321173 is an apocalyptic number.

It is an amenable number.

113211321173 is a deficient number, since it is larger than the sum of its proper divisors (1).

113211321173 is an equidigital number, since it uses as much as digits as its factorization.

113211321173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

Adding to 113211321173 its reverse (371123112311), we get a palindrome (484334433484).

The spelling of 113211321173 in words is "one hundred thirteen billion, two hundred eleven million, three hundred twenty-one thousand, one hundred seventy-three".