3111445105 has 16 divisors (see below), whose sum is σ = 3828593664. Its totient is φ = 2426037120.

The previous prime is 3111445097. The next prime is 3111445109. The reversal of 3111445105 is 5015441113.

It is not a de Polignac number, because 3111445105 - 2³ = 3111445097 is a prime.

It is a super-2 number, since 2×3111445105² = 19362181282856922050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111445105.

It is not an unprimeable number, because it can be changed into a prime (3111445109) 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 15 ways as a sum of consecutive naturals, for example, 215854 + ... + 229816.

It is an arithmetic number, because the mean of its divisors is an integer number (239287104).

Almost surely, 2^3111445105 is an apocalyptic number.

It is an amenable number.

3111445105 is a deficient number, since it is larger than the sum of its proper divisors (717148559).

3111445105 is a wasteful number, since it uses less digits than its factorization.

3111445105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15096.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 3111445105 is about 55780.3290148059. The cubic root of 3111445105 is about 1459.8919518777.

Adding to 3111445105 its reverse (5015441113), we get a palindrome (8126886218).

The spelling of 3111445105 in words is "three billion, one hundred eleven million, four hundred forty-five thousand, one hundred five".