1131331232312 has 32 divisors (see below), whose sum is σ = 2135199587520. Its totient is φ = 561946170240.

The previous prime is 1131331232303. The next prime is 1131331232351. The reversal of 1131331232312 is 2132321331311.

It is a congruent number.

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, 6135137 + ... + 6316847.

It is an arithmetic number, because the mean of its divisors is an integer number (66724987110).

Almost surely, 2^{1131331232312} is an apocalyptic number.

It is an amenable number.

1131331232312 is a deficient number, since it is larger than the sum of its proper divisors (1003868355208).

1131331232312 is a wasteful number, since it uses less digits than its factorization.

1131331232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186831 (or 186827 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1131331232312 its reverse (2132321331311), we get a palindrome (3263652563623).

The spelling of 1131331232312 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred twelve".