3111123413 has 8 divisors (see below), whose sum is σ = 3126373848. Its totient is φ = 3095889664.

The previous prime is 3111123397. The next prime is 3111123443. The reversal of 3111123413 is 3143211113.

It can be written as a sum of positive squares in 4 ways, for example, as 305620324 + 2805503089 = 17482^2 + 52967^2 .

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 3111123413 - 2⁴ = 3111123397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111123443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532295 + ... + 538107.

It is an arithmetic number, because the mean of its divisors is an integer number (390796731).

Almost surely, 2^3111123413 is an apocalyptic number.

It is an amenable number.

3111123413 is a deficient number, since it is larger than the sum of its proper divisors (15250435).

3111123413 is a wasteful number, since it uses less digits than its factorization.

3111123413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343.

The product of its digits is 216, while the sum is 20.

The square root of 3111123413 is about 55777.4453789343. The cubic root of 3111123413 is about 1459.8416374491.

Adding to 3111123413 its reverse (3143211113), we get a palindrome (6254334526).

The spelling of 3111123413 in words is "three billion, one hundred eleven million, one hundred twenty-three thousand, four hundred thirteen".