1131312231120 has 40 divisors (see below), whose sum is σ = 3507067917216. Its totient is φ = 301683261568.

The previous prime is 1131312231097. The next prime is 1131312231149. The reversal of 1131312231120 is 211322131311.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2356900242 + ... + 2356900721.

Almost surely, 2^{1131312231120} is an apocalyptic number.

1131312231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131312231120 is an abundant number, since it is smaller than the sum of its proper divisors (2375755686096).

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

1131312231120 is a wasteful number, since it uses less digits than its factorization.

1131312231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713800979 (or 4713800973 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131312231120 its reverse (211322131311), we get a palindrome (1342634362431).

The spelling of 1131312231120 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, two hundred thirty-one thousand, one hundred twenty".