313481 has 8 divisors (see below), whose sum is σ = 377280. Its totient is φ = 254448.

The previous prime is 313477. The next prime is 313507. The reversal of 313481 is 184313.

It is a happy number.

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

It is not a de Polignac number, because 313481 - 2² = 313477 is a prime.

It is a super-2 number, since 2×313481² = 196540674722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313481.

It is not an unprimeable number, because it can be changed into a prime (313471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (47160).

2³¹³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

313481 is a deficient number, since it is larger than the sum of its proper divisors (63799).

313481 is a wasteful number, since it uses less digits than its factorization.

313481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its digits is 288, while the sum is 20.

The square root of 313481 is about 559.8937399186. The cubic root of 313481 is about 67.9313754050.

Adding to 313481 its reverse (184313), we get a palindrome (497794).

The spelling of 313481 in words is "three hundred thirteen thousand, four hundred eighty-one".