1323131131001 has 8 divisors (see below), whose sum is σ = 1392782075520. Its totient is φ = 1253481432912.

The previous prime is 1323131130973. The next prime is 1323131131027. The reversal of 1323131131001 is 1001311313231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323131131001 - 2¹⁰ = 1323131129977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323131131601) by changing a digit.

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, 2533511 + ... + 3010803.

It is an arithmetic number, because the mean of its divisors is an integer number (174097759440).

Almost surely, 2^{1323131131001} is an apocalyptic number.

It is an amenable number.

1323131131001 is a deficient number, since it is larger than the sum of its proper divisors (69650944519).

1323131131001 is a wasteful number, since it uses less digits than its factorization.

1323131131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623215.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1323131131001 its reverse (1001311313231), we get a palindrome (2324442444232).

The spelling of 1323131131001 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, one".