3113402550 has 96 divisors (see below), whose sum is σ = 7859794560. Its totient is φ = 815443200.

The previous prime is 3113402507. The next prime is 3113402557. The reversal of 3113402550 is 552043113.

It is a self number, because there is not a number n which added to its sum of digits gives 3113402550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113402557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3624021 + ... + 3624879.

It is an arithmetic number, because the mean of its divisors is an integer number (81872860).

Almost surely, 2^3113402550 is an apocalyptic number.

3113402550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113402550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3929897280).

3113402550 is an abundant number, since it is smaller than the sum of its proper divisors (4746392010).

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

3113402550 is a wasteful number, since it uses less digits than its factorization.

3113402550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3113402550 is about 55797.8722712614. The cubic root of 3113402550 is about 1460.1980324986.

Adding to 3113402550 its reverse (552043113), we get a palindrome (3665445663).

The spelling of 3113402550 in words is "three billion, one hundred thirteen million, four hundred two thousand, five hundred fifty".