3103040400 has 120 divisors (see below), whose sum is σ = 10372342080. Its totient is φ = 791493120.

The previous prime is 3103040389. The next prime is 3103040401. The reversal of 3103040400 is 40403013.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3103040400.

It is not an unprimeable number, because it can be changed into a prime (3103040401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28615 + ... + 83814.

It is an arithmetic number, because the mean of its divisors is an integer number (86436184).

Almost surely, 2^3103040400 is an apocalyptic number.

3103040400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103040400 is an abundant number, since it is smaller than the sum of its proper divisors (7269301680).

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

3103040400 is a wasteful number, since it uses less digits than its factorization.

3103040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112473 (or 112462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3103040400 is about 55704.9405349292. The cubic root of 3103040400 is about 1458.5762689344.

Adding to 3103040400 its reverse (40403013), we get a palindrome (3143443413).

The spelling of 3103040400 in words is "three billion, one hundred three million, forty thousand, four hundred".