3113865140 has 48 divisors (see below), whose sum is σ = 6776617680. Its totient is φ = 1200460800.

The previous prime is 3113865113. The next prime is 3113865149. The reversal of 3113865140 is 415683113.

It can be written as a sum of positive squares in 8 ways, for example, as 1936 + 3113863204 = 44^2 + 55802^2 .

It is a super-2 number, since 2×3113865140² = 19392312220214439200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3113865097 and 3113865106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113865149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344114 + ... + 353046.

It is an arithmetic number, because the mean of its divisors is an integer number (141179535).

Almost surely, 2^3113865140 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 3113865140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3388308840).

3113865140 is an abundant number, since it is smaller than the sum of its proper divisors (3662752540).

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

3113865140 is a wasteful number, since it uses less digits than its factorization.

3113865140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572 (or 9570 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 3113865140 is about 55802.0173470458. The cubic root of 3113865140 is about 1460.2703477599.

The spelling of 3113865140 in words is "three billion, one hundred thirteen million, eight hundred sixty-five thousand, one hundred forty".