345213220171 has 2 divisors, whose sum is σ = 345213220172. Its totient is φ = 345213220170.

The previous prime is 345213220141. The next prime is 345213220213. The reversal of 345213220171 is 171022312543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345213220171 - 2¹⁷ = 345213089099 is a prime.

It is not a weakly prime, because it can be changed into another prime (345213220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172606610085 + 172606610086.

It is an arithmetic number, because the mean of its divisors is an integer number (172606610086).

Almost surely, 2^345213220171 is an apocalyptic number.

345213220171 is a deficient number, since it is larger than the sum of its proper divisors (1).

345213220171 is an equidigital number, since it uses as much as digits as its factorization.

345213220171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 345213220171 in words is "three hundred forty-five billion, two hundred thirteen million, two hundred twenty thousand, one hundred seventy-one".