1323131131002 has 16 divisors (see below), whose sum is σ = 2646935487072. Its totient is φ = 440931506160.

The previous prime is 1323131130973. The next prime is 1323131131027. The reversal of 1323131131002 is 2001311313231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323131131002.

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, 28025493 + ... + 28072664.

It is an arithmetic number, because the mean of its divisors is an integer number (165433467942).

Almost surely, 2^{1323131131002} is an apocalyptic number.

1323131131002 is an abundant number, since it is smaller than the sum of its proper divisors (1323804356070).

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

1323131131002 is a wasteful number, since it uses less digits than its factorization.

1323131131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56102093.

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

Adding to 1323131131002 its reverse (2001311313231), we get a palindrome (3324442444233).

The spelling of 1323131131002 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, two".