13231033120 has 96 divisors (see below), whose sum is σ = 32485017600. Its totient is φ = 5087032320.

The previous prime is 13231033111. The next prime is 13231033129. The reversal of 13231033120 is 2133013231.

It is an interprime number because it is at equal distance from previous prime (13231033111) and next prime (13231033129).

It is not an unprimeable number, because it can be changed into a prime (13231033129) 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, 730089 + ... + 747991.

It is an arithmetic number, because the mean of its divisors is an integer number (338385600).

Almost surely, 2^13231033120 is an apocalyptic number.

13231033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231033120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16242508800).

13231033120 is an abundant number, since it is smaller than the sum of its proper divisors (19253984480).

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

13231033120 is a wasteful number, since it uses less digits than its factorization.

13231033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18098 (or 18090 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13231033120 its reverse (2133013231), we get a palindrome (15364046351).

The spelling of 13231033120 in words is "thirteen billion, two hundred thirty-one million, thirty-three thousand, one hundred twenty".