1131230213000 has 32 divisors (see below), whose sum is σ = 2647078700760. Its totient is φ = 452492084800.

The previous prime is 1131230212993. The next prime is 1131230213027. The reversal of 1131230213000 is 3120321311.

It can be written as a sum of positive squares in 4 ways, for example, as 72911880484 + 1058318332516 = 270022^2 + 1028746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1131230213000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565614107 + ... + 565616106.

Almost surely, 2^{1131230213000} is an apocalyptic number.

1131230213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131230213000 is an abundant number, since it is smaller than the sum of its proper divisors (1515848487760).

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

1131230213000 is a wasteful number, since it uses less digits than its factorization.

1131230213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131230234 (or 1131230220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1131230213000 its reverse (3120321311), we get a palindrome (1134350534311).

The spelling of 1131230213000 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, two hundred thirteen thousand".