320211132000173 has 2 divisors, whose sum is σ = 320211132000174. Its totient is φ = 320211132000172.

The previous prime is 320211132000103. The next prime is 320211132000217. The reversal of 320211132000173 is 371000231112023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211453390024969 + 108757741975204 = 14541437^2 + 10428698^2 .

It is a cyclic number.

It is not a de Polignac number, because 320211132000173 - 2¹⁶ = 320211131934637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320211132000103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160105566000086 + 160105566000087.

It is an arithmetic number, because the mean of its divisors is an integer number (160105566000087).

Almost surely, 2^{320211132000173} is an apocalyptic number.

It is an amenable number.

320211132000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

320211132000173 is an equidigital number, since it uses as much as digits as its factorization.

320211132000173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 320211132000173 its reverse (371000231112023), we get a palindrome (691211363112196).

The spelling of 320211132000173 in words is "three hundred twenty trillion, two hundred eleven billion, one hundred thirty-two million, one hundred seventy-three", and thus it is an aban number.