1113132320 has 48 divisors (see below), whose sum is σ = 2666841408. Its totient is φ = 438977280.

The previous prime is 1113132313. The next prime is 1113132323. The reversal of 1113132320 is 232313111.

It is not an unprimeable number, because it can be changed into a prime (1113132323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37634 + ... + 60353.

It is an arithmetic number, because the mean of its divisors is an integer number (55559196).

Almost surely, 2^1113132320 is an apocalyptic number.

1113132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113132320 is an abundant number, since it is smaller than the sum of its proper divisors (1553709088).

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

1113132320 is an equidigital number, since it uses as much as digits as its factorization.

1113132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98073 (or 98065 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1113132320 is about 33363.6376913549. The cubic root of 1113132320 is about 1036.3718248138.

Adding to 1113132320 its reverse (232313111), we get a palindrome (1345445431).

The spelling of 1113132320 in words is "one billion, one hundred thirteen million, one hundred thirty-two thousand, three hundred twenty".