1131031113112 has 16 divisors (see below), whose sum is σ = 2120694681600. Its totient is φ = 565512531360.

The previous prime is 1131031113013. The next prime is 1131031113187. The reversal of 1131031113112 is 2113111301311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131031113112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494162 + ... + 2912542.

It is an arithmetic number, because the mean of its divisors is an integer number (132543417600).

Almost surely, 2^{1131031113112} is an apocalyptic number.

It is an amenable number.

1131031113112 is a deficient number, since it is larger than the sum of its proper divisors (989663568488).

1131031113112 is a wasteful number, since it uses less digits than its factorization.

1131031113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756306 (or 756302 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1131031113112 its reverse (2113111301311), we get a palindrome (3244142414423).

The spelling of 1131031113112 in words is "one trillion, one hundred thirty-one billion, thirty-one million, one hundred thirteen thousand, one hundred twelve".