1323131131003 has 4 divisors (see below), whose sum is σ = 1443415779288. Its totient is φ = 1202846482720.

The previous prime is 1323131130973. The next prime is 1323131131027. The reversal of 1323131131003 is 3001311313231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323131131003 - 2⁹ = 1323131130491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323131161003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60142324126 + ... + 60142324147.

It is an arithmetic number, because the mean of its divisors is an integer number (360853944822).

Almost surely, 2^{1323131131003} is an apocalyptic number.

1323131131003 is a deficient number, since it is larger than the sum of its proper divisors (120284648285).

1323131131003 is a wasteful number, since it uses less digits than its factorization.

1323131131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120284648284.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1323131131003 its reverse (3001311313231), we get a palindrome (4324442444234).

The spelling of 1323131131003 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, three".