313420161 has 8 divisors (see below), whose sum is σ = 418593600. Its totient is φ = 208596752.

The previous prime is 313420153. The next prime is 313420189. The reversal of 313420161 is 161024313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313420161 - 2³ = 313420153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313420141) 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, 85410 + ... + 89003.

It is an arithmetic number, because the mean of its divisors is an integer number (52324200).

Almost surely, 2^313420161 is an apocalyptic number.

It is an amenable number.

313420161 is a deficient number, since it is larger than the sum of its proper divisors (105173439).

313420161 is a wasteful number, since it uses less digits than its factorization.

313420161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175015.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 313420161 is about 17703.6764825841. The cubic root of 313420161 is about 679.2698051419.

Adding to 313420161 its reverse (161024313), we get a palindrome (474444474).

The spelling of 313420161 in words is "three hundred thirteen million, four hundred twenty thousand, one hundred sixty-one".