3112513040 has 160 divisors (see below), whose sum is σ = 8950260480. Its totient is φ = 980232192.

The previous prime is 3112513009. The next prime is 3112513043. The reversal of 3112513040 is 403152113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3112513043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1666187 + ... + 1668053.

It is an arithmetic number, because the mean of its divisors is an integer number (55939128).

Almost surely, 2^3112513040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112513040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475130240).

3112513040 is an abundant number, since it is smaller than the sum of its proper divisors (5837747440).

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

3112513040 is a wasteful number, since it uses less digits than its factorization.

3112513040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3112513040 is about 55789.9008782055. The cubic root of 3112513040 is about 1460.0589580244.

Adding to 3112513040 its reverse (403152113), we get a palindrome (3515665153).

The spelling of 3112513040 in words is "three billion, one hundred twelve million, five hundred thirteen thousand, forty".