1131313032232 has 32 divisors (see below), whose sum is σ = 2127052994400.
Its totient is φ = 564099246144.
The previous prime is 1131313032203. The next prime is 1131313032257. The reversal of 1131313032232 is 2322303131311.
It is a junction number, because it is equal to n+sod(n) for n = 1131313032197 and 1131313032206.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36862878 + ... + 36893554.
It is an arithmetic number, because the mean of its divisors is an integer number (66470406075).
Almost surely, 21131313032232 is an apocalyptic number.
It is an amenable number.
1131313032232 is a deficient number, since it is larger than the sum of its proper divisors (995739962168).
1131313032232 is a wasteful number, since it uses less digits than its factorization.
1131313032232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43225 (or 43221 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 1131313032232 its reverse (2322303131311), we get a palindrome (3453616163543).
The spelling of 1131313032232 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, thirty-two thousand, two hundred thirty-two".