3113121311 has 8 divisors (see below), whose sum is σ = 3298410144. Its totient is φ = 2928072960.

The previous prime is 3113121307. The next prime is 3113121313. The reversal of 3113121311 is 1131213113.

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 3113121311 - 2² = 3113121307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 3113121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33110 + ... + 85571.

It is an arithmetic number, because the mean of its divisors is an integer number (412301268).

Almost surely, 2^3113121311 is an apocalyptic number.

3113121311 is a deficient number, since it is larger than the sum of its proper divisors (185288833).

3113121311 is a wasteful number, since it uses less digits than its factorization.

3113121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120241.

The product of its digits is 54, while the sum is 17.

The square root of 3113121311 is about 55795.3520555252. The cubic root of 3113121311 is about 1460.1540637759.

Adding to 3113121311 its reverse (1131213113), we get a palindrome (4244334424).

It can be divided in two parts, 3 and 113121311, that multiplied together give a palindrome (339363933).

The spelling of 3113121311 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred eleven".