319113 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 207792.

The previous prime is 319097. The next prime is 319117. The reversal of 319113 is 311913.

It is not a de Polignac number, because 319113 - 2⁴ = 319097 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³¹⁹¹¹³ is an apocalyptic number.

It is an amenable number.

319113 is a deficient number, since it is larger than the sum of its proper divisors (164727).

319113 is a wasteful number, since it uses less digits than its factorization.

319113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its digits is 81, while the sum is 18.

The square root of 319113 is about 564.9008762606. The cubic root of 319113 is about 68.3357815238.

The spelling of 319113 in words is "three hundred nineteen thousand, one hundred thirteen".