313349533171 has 2 divisors, whose sum is σ = 313349533172. Its totient is φ = 313349533170.

The previous prime is 313349533169. The next prime is 313349533187. The reversal of 313349533171 is 171335943313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313349533171 - 2¹ = 313349533169 is a prime.

Together with 313349533169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313349533141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156674766585 + 156674766586.

It is an arithmetic number, because the mean of its divisors is an integer number (156674766586).

Almost surely, 2^313349533171 is an apocalyptic number.

313349533171 is a deficient number, since it is larger than the sum of its proper divisors (1).

313349533171 is an equidigital number, since it uses as much as digits as its factorization.

313349533171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 43.

The spelling of 313349533171 in words is "three hundred thirteen billion, three hundred forty-nine million, five hundred thirty-three thousand, one hundred seventy-one".