13113304240 has 80 divisors (see below), whose sum is σ = 30698347680. Its totient is φ = 5209344000.

The previous prime is 13113304223. The next prime is 13113304241. The reversal of 13113304240 is 4240331131.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (13113304241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9175846 + ... + 9177274.

It is an arithmetic number, because the mean of its divisors is an integer number (383729346).

Almost surely, 2^13113304240 is an apocalyptic number.

13113304240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113304240 is an abundant number, since it is smaller than the sum of its proper divisors (17585043440).

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

13113304240 is a wasteful number, since it uses less digits than its factorization.

13113304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13113304240 its reverse (4240331131), we get a palindrome (17353635371).

The spelling of 13113304240 in words is "thirteen billion, one hundred thirteen million, three hundred four thousand, two hundred forty".