170408313 has 8 divisors (see below), whose sum is σ = 252456800. Its totient is φ = 113605524.

The previous prime is 170408309. The next prime is 170408317. The reversal of 170408313 is 313804071.

It is an interprime number because it is at equal distance from previous prime (170408309) and next prime (170408317).

It is not a de Polignac number, because 170408313 - 2² = 170408309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6311419 = 170408313 / (1 + 7 + 0 + 4 + 0 + 8 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170408317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3155683 + ... + 3155736.

It is an arithmetic number, because the mean of its divisors is an integer number (31557100).

Almost surely, 2^170408313 is an apocalyptic number.

It is an amenable number.

170408313 is a deficient number, since it is larger than the sum of its proper divisors (82048487).

170408313 is an equidigital number, since it uses as much as digits as its factorization.

170408313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311428 (or 6311422 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 170408313 is about 13054.0535083935. The cubic root of 170408313 is about 554.4089837097.

The spelling of 170408313 in words is "one hundred seventy million, four hundred eight thousand, three hundred thirteen".