313149 has 4 divisors (see below), whose sum is σ = 417536. Its totient is φ = 208764.

The previous prime is 313147. The next prime is 313151. The reversal of 313149 is 941313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (313147) and next prime (313151).

It is not a de Polignac number, because 313149 - 2¹ = 313147 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52189 + ... + 52194.

It is an arithmetic number, because the mean of its divisors is an integer number (104384).

2³¹³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

313149 is a deficient number, since it is larger than the sum of its proper divisors (104387).

313149 is a wasteful number, since it uses less digits than its factorization.

313149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104386.

The product of its digits is 324, while the sum is 21.

The square root of 313149 is about 559.5971765476. The cubic root of 313149 is about 67.9073854523.

The spelling of 313149 in words is "three hundred thirteen thousand, one hundred forty-nine".