1001331113232 has 80 divisors (see below), whose sum is σ = 2641488592640. Its totient is φ = 326777970816.

The previous prime is 1001331113227. The next prime is 1001331113249. The reversal of 1001331113232 is 2323111331001.

It is a happy number.

1001331113232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1001331113199 and 1001331113208.

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, 430882 + ... + 1479297.

It is an arithmetic number, because the mean of its divisors is an integer number (33018607408).

Almost surely, 2^{1001331113232} is an apocalyptic number.

1001331113232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001331113232 is an abundant number, since it is smaller than the sum of its proper divisors (1640157479408).

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

1001331113232 is a wasteful number, since it uses less digits than its factorization.

1001331113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910420 (or 1910414 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1001331113232 its reverse (2323111331001), we get a palindrome (3324442444233).

The spelling of 1001331113232 in words is "one trillion, one billion, three hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-two".