338131 has 4 divisors (see below), whose sum is σ = 340200. Its totient is φ = 336064.

The previous prime is 338119. The next prime is 338137. The reversal of 338131 is 131833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131833 = 13 ⋅10141.

It is a cyclic number.

It is not a de Polignac number, because 338131 - 2¹⁵ = 305363 is a prime.

It is a super-2 number, since 2×338131² = 228665146322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338099 and 338108.

It is not an unprimeable number, because it can be changed into a prime (338137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2³³⁸¹³¹ is an apocalyptic number.

338131 is a deficient number, since it is larger than the sum of its proper divisors (2069).

338131 is a wasteful number, since it uses less digits than its factorization.

338131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its digits is 216, while the sum is 19.

The square root of 338131 is about 581.4903266607. The cubic root of 338131 is about 69.6671957511.

Adding to 338131 its reverse (131833), we get a palindrome (469964).

The spelling of 338131 in words is "three hundred thirty-eight thousand, one hundred thirty-one".