311109226 has 16 divisors (see below), whose sum is σ = 471576960. Its totient is φ = 153925200.

The previous prime is 311109223. The next prime is 311109251. The reversal of 311109226 is 622901113.

It is a self number, because there is not a number n which added to its sum of digits gives 311109226.

It is not an unprimeable number, because it can be changed into a prime (311109221) 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 7 ways as a sum of consecutive naturals, for example, 81795 + ... + 85513.

It is an arithmetic number, because the mean of its divisors is an integer number (29473560).

Almost surely, 2^311109226 is an apocalyptic number.

311109226 is a deficient number, since it is larger than the sum of its proper divisors (160467734).

311109226 is a wasteful number, since it uses less digits than its factorization.

311109226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 311109226 is about 17638.2886358059. The cubic root of 311109226 is about 677.5962026214.

The spelling of 311109226 in words is "three hundred eleven million, one hundred nine thousand, two hundred twenty-six".