3111140530 has 8 divisors (see below), whose sum is σ = 5600052972. Its totient is φ = 1244456208.

The previous prime is 3111140519. The next prime is 3111140531. The reversal of 3111140530 is 350411113.

3111140530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2877142321 + 233998209 = 53639^2 + 15297^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3111140498 and 3111140507.

It is not an unprimeable number, because it can be changed into a prime (3111140531) 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, 155557017 + ... + 155557036.

Almost surely, 2^3111140530 is an apocalyptic number.

3111140530 is a deficient number, since it is larger than the sum of its proper divisors (2488912442).

3111140530 is a wasteful number, since it uses less digits than its factorization.

3111140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311114060.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3111140530 is about 55777.5988188807. The cubic root of 3111140530 is about 1459.8443147310.

Adding to 3111140530 its reverse (350411113), we get a palindrome (3461551643).

It can be divided in two parts, 3111 and 140530, that added together give a square (143641 = 379²).

The spelling of 3111140530 in words is "three billion, one hundred eleven million, one hundred forty thousand, five hundred thirty".