1113103320 has 64 divisors (see below), whose sum is σ = 3816357120. Its totient is φ = 254423424.

The previous prime is 1113103319. The next prime is 1113103333. The reversal of 1113103320 is 233013111.

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 1113103320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661722 + ... + 663401.

It is an arithmetic number, because the mean of its divisors is an integer number (59630580).

Almost surely, 2^1113103320 is an apocalyptic number.

1113103320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113103320 is an abundant number, since it is smaller than the sum of its proper divisors (2703253800).

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

1113103320 is a wasteful number, since it uses less digits than its factorization.

1113103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325144 (or 1325140 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1113103320 is about 33363.2030836369. The cubic root of 1113103320 is about 1036.3628246727.

Adding to 1113103320 its reverse (233013111), we get a palindrome (1346116431).

The spelling of 1113103320 in words is "one billion, one hundred thirteen million, one hundred three thousand, three hundred twenty".