1132131331002 has 128 divisors (see below), whose sum is σ = 2620440668160. Its totient is φ = 319409775360.

The previous prime is 1132131330971. The next prime is 1132131331007. The reversal of 1132131331002 is 2001331312311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1132131331002.

It is not an unprimeable number, because it can be changed into a prime (1132131331007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1395969177 + ... + 1395969987.

It is an arithmetic number, because the mean of its divisors is an integer number (20472192720).

Almost surely, 2^{1132131331002} is an apocalyptic number.

1132131331002 is an abundant number, since it is smaller than the sum of its proper divisors (1488309337158).

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

1132131331002 is a wasteful number, since it uses less digits than its factorization.

1132131331002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1132131331002 its reverse (2001331312311), we get a palindrome (3133462643313).

The spelling of 1132131331002 in words is "one trillion, one hundred thirty-two billion, one hundred thirty-one million, three hundred thirty-one thousand, two".