3111344140 has 24 divisors (see below), whose sum is σ = 6744592512. Its totient is φ = 1204391040.

The previous prime is 3111344129. The next prime is 3111344219. The reversal of 3111344140 is 414431113.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508529 + ... + 2509768.

It is an arithmetic number, because the mean of its divisors is an integer number (281024688).

Almost surely, 2^3111344140 is an apocalyptic number.

It is an amenable number.

3111344140 is an abundant number, since it is smaller than the sum of its proper divisors (3633248372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111344140 is a wasteful number, since it uses less digits than its factorization.

3111344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018337 (or 5018335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3111344140 is about 55779.4239841180. The cubic root of 3111344140 is about 1459.8761607602.

Adding to 3111344140 its reverse (414431113), we get a palindrome (3525775253).

The spelling of 3111344140 in words is "three billion, one hundred eleven million, three hundred forty-four thousand, one hundred forty".