331123311173 has 2 divisors, whose sum is σ = 331123311174. Its totient is φ = 331123311172.

The previous prime is 331123311143. The next prime is 331123311217. The reversal of 331123311173 is 371113321133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196850167684 + 134273143489 = 443678^2 + 366433^2 .

It is a cyclic number.

It is not a de Polignac number, because 331123311173 - 2¹⁰ = 331123310149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331123311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165561655586 + 165561655587.

It is an arithmetic number, because the mean of its divisors is an integer number (165561655587).

Almost surely, 2^331123311173 is an apocalyptic number.

It is an amenable number.

331123311173 is a deficient number, since it is larger than the sum of its proper divisors (1).

331123311173 is an equidigital number, since it uses as much as digits as its factorization.

331123311173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

The spelling of 331123311173 in words is "three hundred thirty-one billion, one hundred twenty-three million, three hundred eleven thousand, one hundred seventy-three".