13231482780 has 192 divisors, whose sum is σ = 39728102400. Its totient is φ = 3282892800.

The previous prime is 13231482767. The next prime is 13231482787. The reversal of 13231482780 is 8728413231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231482787) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8222616 + ... + 8224224.

It is an arithmetic number, because the mean of its divisors is an integer number (206917200).

Almost surely, 2^13231482780 is an apocalyptic number.

13231482780 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 13231482780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19864051200).

13231482780 is an abundant number, since it is smaller than the sum of its proper divisors (26496619620).

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

13231482780 is a wasteful number, since it uses less digits than its factorization.

13231482780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 13231482780 in words is "thirteen billion, two hundred thirty-one million, four hundred eighty-two thousand, seven hundred eighty".