338887131 has 16 divisors (see below), whose sum is σ = 493691520. Its totient is φ = 205067520.

The previous prime is 338887121. The next prime is 338887183. The reversal of 338887131 is 131788833.

It is not a de Polignac number, because 338887131 - 2¹⁵ = 338854363 is a prime.

It is a super-2 number, since 2×338887131² = 229688975114822322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338887121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14580 + ... + 29838.

It is an arithmetic number, because the mean of its divisors is an integer number (30855720).

Almost surely, 2^338887131 is an apocalyptic number.

338887131 is a deficient number, since it is larger than the sum of its proper divisors (154804389).

338887131 is a wasteful number, since it uses less digits than its factorization.

338887131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15946.

The product of its digits is 96768, while the sum is 42.

The square root of 338887131 is about 18408.8872830489. The cubic root of 338887131 is about 697.1908718677.

The spelling of 338887131 in words is "three hundred thirty-eight million, eight hundred eighty-seven thousand, one hundred thirty-one".