338109311 has 16 divisors (see below), whose sum is σ = 363313440. Its totient is φ = 313528320.

The previous prime is 338109307. The next prime is 338109337. The reversal of 338109311 is 113901833.

It is a cyclic number.

It is not a de Polignac number, because 338109311 - 2² = 338109307 is a prime.

It is a super-2 number, since 2×338109311² = 228635812369789442, 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 (338109511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624701 + ... + 625241.

It is an arithmetic number, because the mean of its divisors is an integer number (22707090).

Almost surely, 2^338109311 is an apocalyptic number.

338109311 is a deficient number, since it is larger than the sum of its proper divisors (25204129).

338109311 is a wasteful number, since it uses less digits than its factorization.

338109311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 338109311 is about 18387.7489378118. The cubic root of 338109311 is about 696.6570614682.

The spelling of 338109311 in words is "three hundred thirty-eight million, one hundred nine thousand, three hundred eleven".