3113421143 has 6 divisors (see below), whose sum is σ = 3621734856. Its totient is φ = 2668646652.

The previous prime is 3113421139. The next prime is 3113421163. The reversal of 3113421143 is 3411243113.

3113421143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3113421143 - 2² = 3113421139 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 (3113421163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31769555 + ... + 31769652.

It is an arithmetic number, because the mean of its divisors is an integer number (603622476).

Almost surely, 2^3113421143 is an apocalyptic number.

3113421143 is a deficient number, since it is larger than the sum of its proper divisors (508313713).

3113421143 is an equidigital number, since it uses as much as digits as its factorization.

3113421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63539221 (or 63539214 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 3113421143 is about 55798.0388813084. The cubic root of 3113421143 is about 1460.2009392229.

Adding to 3113421143 its reverse (3411243113), we get a palindrome (6524664256).

The spelling of 3113421143 in words is "three billion, one hundred thirteen million, four hundred twenty-one thousand, one hundred forty-three".