331713 has 6 divisors (see below), whose sum is σ = 479154. Its totient is φ = 221136.

The previous prime is 331711. The next prime is 331739. The reversal of 331713 is 317133.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 36864 = 543^2 + 192^2 .

It is not a de Polignac number, because 331713 - 2¹ = 331711 is a prime.

It is a super-2 number, since 2×331713² = 220067028738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18420 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (79859).

2³³¹⁷¹³ is an apocalyptic number.

It is an amenable number.

331713 is a deficient number, since it is larger than the sum of its proper divisors (147441).

331713 is a wasteful number, since it uses less digits than its factorization.

331713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36863 (or 36860 counting only the distinct ones).

The product of its digits is 189, while the sum is 18.

The square root of 331713 is about 575.9453099036. The cubic root of 331713 is about 69.2235972627.

Adding to 331713 its reverse (317133), we get a palindrome (648846).

The spelling of 331713 in words is "three hundred thirty-one thousand, seven hundred thirteen".