1131003023232 has 128 divisors (see below), whose sum is σ = 3030663168000. Its totient is φ = 373688985600.

The previous prime is 1131003023219. The next prime is 1131003023257. The reversal of 1131003023232 is 2323203001311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1131003023199 and 1131003023208.

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, 56121894 + ... + 56142042.

It is an arithmetic number, because the mean of its divisors is an integer number (23677056000).

Almost surely, 2^{1131003023232} is an apocalyptic number.

1131003023232 is a gapful number since it is divisible by the number (12) 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 1131003023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515331584000).

1131003023232 is an abundant number, since it is smaller than the sum of its proper divisors (1899660144768).

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

1131003023232 is a wasteful number, since it uses less digits than its factorization.

1131003023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444 (or 21432 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131003023232 its reverse (2323203001311), we get a palindrome (3454206024543).

The spelling of 1131003023232 in words is "one trillion, one hundred thirty-one billion, three million, twenty-three thousand, two hundred thirty-two".