1131203313002 has 96 divisors (see below), whose sum is σ = 2010650829264. Its totient is φ = 475859328000.

The previous prime is 1131203312989. The next prime is 1131203313007. The reversal of 1131203313002 is 2003133021311.

It can be written as a sum of positive squares in 8 ways, for example, as 1100927661001 + 30275652001 = 1049251^2 + 173999^2 .

It is not an unprimeable number, because it can be changed into a prime (1131203313007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789394478 + ... + 789395910.

Almost surely, 2^{1131203313002} is an apocalyptic number.

1131203313002 is a deficient number, since it is larger than the sum of its proper divisors (879447516262).

1131203313002 is a wasteful number, since it uses less digits than its factorization.

1131203313002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131203313002 its reverse (2003133021311), we get a palindrome (3134336334313).

The spelling of 1131203313002 in words is "one trillion, one hundred thirty-one billion, two hundred three million, three hundred thirteen thousand, two".