320131903171 has 2 divisors, whose sum is σ = 320131903172. Its totient is φ = 320131903170.

The previous prime is 320131903093. The next prime is 320131903211. The reversal of 320131903171 is 171309131023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320131903171 - 2⁷ = 320131903043 is a prime.

It is not a weakly prime, because it can be changed into another prime (320131903771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160065951585 + 160065951586.

It is an arithmetic number, because the mean of its divisors is an integer number (160065951586).

Almost surely, 2^320131903171 is an apocalyptic number.

320131903171 is a deficient number, since it is larger than the sum of its proper divisors (1).

320131903171 is an equidigital number, since it uses as much as digits as its factorization.

320131903171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The spelling of 320131903171 in words is "three hundred twenty billion, one hundred thirty-one million, nine hundred three thousand, one hundred seventy-one".