3113120440 has 32 divisors (see below), whose sum is σ = 7230476160. Its totient is φ = 1205078400.

The previous prime is 3113120431. The next prime is 3113120441. The reversal of 3113120440 is 440213113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254051 + ... + 1256530.

It is an arithmetic number, because the mean of its divisors is an integer number (225952380).

Almost surely, 2^3113120440 is an apocalyptic number.

It is an amenable number.

3113120440 is an abundant number, since it is smaller than the sum of its proper divisors (4117355720).

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

3113120440 is a wasteful number, since it uses less digits than its factorization.

3113120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510623 (or 2510619 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3113120440 is about 55795.3442502150. The cubic root of 3113120440 is about 1460.1539276002.

Adding to 3113120440 its reverse (440213113), we get a palindrome (3553333553).

The spelling of 3113120440 in words is "three billion, one hundred thirteen million, one hundred twenty thousand, four hundred forty".