338136131 has 4 divisors (see below), whose sum is σ = 344516112. Its totient is φ = 331756152.

The previous prime is 338136079. The next prime is 338136163. The reversal of 338136131 is 131631833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131631833 = 17 ⋅7743049.

It is a cyclic number.

It is not a de Polignac number, because 338136131 - 2¹⁰ = 338135107 is a prime.

It is a super-2 number, since 2×338136131² = 228672086175298322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338136094 and 338136103.

It is not an unprimeable number, because it can be changed into a prime (338136181) 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, 3189911 + ... + 3190016.

It is an arithmetic number, because the mean of its divisors is an integer number (86129028).

Almost surely, 2^338136131 is an apocalyptic number.

338136131 is a deficient number, since it is larger than the sum of its proper divisors (6379981).

338136131 is an equidigital number, since it uses as much as digits as its factorization.

338136131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379980.

The product of its digits is 3888, while the sum is 29.

The square root of 338136131 is about 18388.4782132726. The cubic root of 338136131 is about 696.6754813971.

Adding to 338136131 its reverse (131631833), we get a palindrome (469767964).

The spelling of 338136131 in words is "three hundred thirty-eight million, one hundred thirty-six thousand, one hundred thirty-one".