3112420105 has 8 divisors (see below), whose sum is σ = 3735815112. Its totient is φ = 2489328768.

The previous prime is 3112420093. The next prime is 3112420123. The reversal of 3112420105 is 5010242113.

It can be written as a sum of positive squares in 4 ways, for example, as 873616249 + 2238803856 = 29557^2 + 47316^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3112420105 - 2⁷ = 3112419977 is a prime.

It is a super-2 number, since 2×3112420105² = 19374317820016422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52722 + ... + 94891.

It is an arithmetic number, because the mean of its divisors is an integer number (466976889).

Almost surely, 2^3112420105 is an apocalyptic number.

It is an amenable number.

3112420105 is a deficient number, since it is larger than the sum of its proper divisors (623395007).

3112420105 is a wasteful number, since it uses less digits than its factorization.

3112420105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151835.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3112420105 is about 55789.0679703470. The cubic root of 3112420105 is about 1460.0444261517.

Adding to 3112420105 its reverse (5010242113), we get a palindrome (8122662218).

The spelling of 3112420105 in words is "three billion, one hundred twelve million, four hundred twenty thousand, one hundred five".