3123112133311 has 4 divisors (see below), whose sum is σ = 3258899617392. Its totient is φ = 2987324649232.

The previous prime is 3123112133299. The next prime is 3123112133353. The reversal of 3123112133311 is 1133312113213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3123112133311 - 2²¹ = 3123110036159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123112137311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67893742006 + ... + 67893742051.

It is an arithmetic number, because the mean of its divisors is an integer number (814724904348).

Almost surely, 2^{3123112133311} is an apocalyptic number.

3123112133311 is a deficient number, since it is larger than the sum of its proper divisors (135787484081).

3123112133311 is a wasteful number, since it uses less digits than its factorization.

3123112133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135787484080.

The product of its digits is 972, while the sum is 25.

Adding to 3123112133311 its reverse (1133312113213), we get a palindrome (4256424246524).

The spelling of 3123112133311 in words is "three trillion, one hundred twenty-three billion, one hundred twelve million, one hundred thirty-three thousand, three hundred eleven".