20131303121003 has 8 divisors (see below), whose sum is σ = 20202434101248. Its totient is φ = 20060268854184.

The previous prime is 20131303120963. The next prime is 20131303121023. The reversal of 20131303121003 is 30012130313102.

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 20131303121003 - 2¹⁰ = 20131303119979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131303121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23761301 + ... + 24593942.

It is an arithmetic number, because the mean of its divisors is an integer number (2525304262656).

Almost surely, 2^{20131303121003} is an apocalyptic number.

20131303121003 is a deficient number, since it is larger than the sum of its proper divisors (71130980245).

20131303121003 is a wasteful number, since it uses less digits than its factorization.

20131303121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48356713.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20131303121003 its reverse (30012130313102), we get a palindrome (50143433434105).

The spelling of 20131303121003 in words is "twenty trillion, one hundred thirty-one billion, three hundred three million, one hundred twenty-one thousand, three".