20323131003003 has 4 divisors (see below), whose sum is σ = 27097508004008. Its totient is φ = 13548754002000.

The previous prime is 20323131002983. The next prime is 20323131003013. The reversal of 20323131003003 is 30030013132302.

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

It is not a de Polignac number, because 20323131003003 - 2⁸ = 20323131002747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323131003013) 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, 3387188500498 + ... + 3387188500503.

It is an arithmetic number, because the mean of its divisors is an integer number (6774377001002).

Almost surely, 2^{20323131003003} is an apocalyptic number.

20323131003003 is a deficient number, since it is larger than the sum of its proper divisors (6774377001005).

20323131003003 is an equidigital number, since it uses as much as digits as its factorization.

20323131003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774377001004.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20323131003003 its reverse (30030013132302), we get a palindrome (50353144135305).

The spelling of 20323131003003 in words is "twenty trillion, three hundred twenty-three billion, one hundred thirty-one million, three thousand, three".