131223201020303 has 16 divisors (see below), whose sum is σ = 152247809816064. Its totient is φ = 110769085833120.

The previous prime is 131223201020297. The next prime is 131223201020311. The reversal of 131223201020303 is 303020102322131.

131223201020303 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 131223201020303 - 2¹⁶ = 131223200954767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223201020383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35063243 + ... + 38624828.

It is an arithmetic number, because the mean of its divisors is an integer number (9515488113504).

Almost surely, 2^{131223201020303} is an apocalyptic number.

131223201020303 is a deficient number, since it is larger than the sum of its proper divisors (21024608795761).

131223201020303 is an equidigital number, since it uses as much as digits as its factorization.

131223201020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73691942.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131223201020303 its reverse (303020102322131), we get a palindrome (434243303342434).

The spelling of 131223201020303 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred one million, twenty thousand, three hundred three".