20000131313003 has 4 divisors (see below), whose sum is σ = 20000520419040. Its totient is φ = 19999742206968.

The previous prime is 20000131312961. The next prime is 20000131313047. The reversal of 20000131313003 is 30031313100002.

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 20000131313003 - 2⁶ = 20000131312939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000131313803) 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, 194475908 + ... + 194578721.

It is an arithmetic number, because the mean of its divisors is an integer number (5000130104760).

Almost surely, 2^{20000131313003} is an apocalyptic number.

20000131313003 is a deficient number, since it is larger than the sum of its proper divisors (389106037).

20000131313003 is an equidigital number, since it uses as much as digits as its factorization.

20000131313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389106036.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20000131313003 its reverse (30031313100002), we get a palindrome (50031444413005).

The spelling of 20000131313003 in words is "twenty trillion, one hundred thirty-one million, three hundred thirteen thousand, three".