338157111 has 4 divisors (see below), whose sum is σ = 450876152. Its totient is φ = 225438072.

The previous prime is 338157091. The next prime is 338157161. The reversal of 338157111 is 111751833.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 338157111 - 2¹⁰ = 338156087 is a prime.

It is a super-2 number, since 2×338157111² = 228700463439732642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338157161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56359516 + ... + 56359521.

It is an arithmetic number, because the mean of its divisors is an integer number (112719038).

Almost surely, 2^338157111 is an apocalyptic number.

338157111 is a deficient number, since it is larger than the sum of its proper divisors (112719041).

338157111 is a wasteful number, since it uses less digits than its factorization.

338157111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112719040.

The product of its digits is 2520, while the sum is 30.

The square root of 338157111 is about 18389.0486703364. The cubic root of 338157111 is about 696.6898897453.

The spelling of 338157111 in words is "three hundred thirty-eight million, one hundred fifty-seven thousand, one hundred eleven".