20231013311303 has 4 divisors (see below), whose sum is σ = 20562669267288. Its totient is φ = 19899357355320.

The previous prime is 20231013311183. The next prime is 20231013311309. The reversal of 20231013311303 is 30311331013202.

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 20231013311303 - 2⁴⁰ = 19131501683527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231013311309) 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, 165827977901 + ... + 165827978022.

It is an arithmetic number, because the mean of its divisors is an integer number (5140667316822).

Almost surely, 2^{20231013311303} is an apocalyptic number.

20231013311303 is a deficient number, since it is larger than the sum of its proper divisors (331655955985).

20231013311303 is an equidigital number, since it uses as much as digits as its factorization.

20231013311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331655955984.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20231013311303 its reverse (30311331013202), we get a palindrome (50542344324505).

The spelling of 20231013311303 in words is "twenty trillion, two hundred thirty-one billion, thirteen million, three hundred eleven thousand, three hundred three".