1131311002200 has 96 divisors (see below), whose sum is σ = 3507761121360. Its totient is φ = 301622976000.

The previous prime is 1131311002163. The next prime is 1131311002259. The reversal of 1131311002200 is 22001131311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1131311002200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2875782 + ... + 3245418.

Almost surely, 2^{1131311002200} is an apocalyptic number.

1131311002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131311002200 is an abundant number, since it is smaller than the sum of its proper divisors (2376450119160).

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

1131311002200 is a wasteful number, since it uses less digits than its factorization.

1131311002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374757 (or 374748 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1131311002200 its reverse (22001131311), we get a palindrome (1153312133511).

The spelling of 1131311002200 in words is "one trillion, one hundred thirty-one billion, three hundred eleven million, two thousand, two hundred".