3111244405 has 8 divisors (see below), whose sum is σ = 3734983584. Its totient is φ = 2488002000.

The previous prime is 3111244397. The next prime is 3111244429. The reversal of 3111244405 is 5044421113.

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

It is not a de Polignac number, because 3111244405 - 2³ = 3111244397 is a prime.

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 3111244405.

It is a congruent 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, 110271 + ... + 135580.

It is an arithmetic number, because the mean of its divisors is an integer number (466872948).

Almost surely, 2^3111244405 is an apocalyptic number.

It is an amenable number.

3111244405 is a deficient number, since it is larger than the sum of its proper divisors (623739179).

3111244405 is a wasteful number, since it uses less digits than its factorization.

3111244405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248387.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3111244405 is about 55778.5299644944. The cubic root of 3111244405 is about 1459.8605616817.

Adding to 3111244405 its reverse (5044421113), we get a palindrome (8155665518).

The spelling of 3111244405 in words is "three billion, one hundred eleven million, two hundred forty-four thousand, four hundred five".