170056313 has 8 divisors (see below), whose sum is σ = 198316800. Its totient is φ = 145762260.

The previous prime is 170056303. The next prime is 170056331. The reversal of 170056313 is 313650071.

It is a happy number.

170056313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 170056313 - 2¹² = 170052217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (170056303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247553 + ... + 248238.

It is an arithmetic number, because the mean of its divisors is an integer number (24789600).

Almost surely, 2^170056313 is an apocalyptic number.

It is an amenable number.

170056313 is a deficient number, since it is larger than the sum of its proper divisors (28260487).

170056313 is an frugal number, since it uses more digits than its factorization.

170056313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495812 (or 495798 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 170056313 is about 13040.5641365702. The cubic root of 170056313 is about 554.0269865257.

The spelling of 170056313 in words is "one hundred seventy million, fifty-six thousand, three hundred thirteen".