131231230303 has 2 divisors, whose sum is σ = 131231230304. Its totient is φ = 131231230302.

The previous prime is 131231230279. The next prime is 131231230307. The reversal of 131231230303 is 303032132131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131231230303 - 2²⁹ = 130694359391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131231230307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615615151 + 65615615152.

It is an arithmetic number, because the mean of its divisors is an integer number (65615615152).

Almost surely, 2^131231230303 is an apocalyptic number.

131231230303 is a deficient number, since it is larger than the sum of its proper divisors (1).

131231230303 is an equidigital number, since it uses as much as digits as its factorization.

131231230303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131231230303 its reverse (303032132131), we get a palindrome (434263362434).

The spelling of 131231230303 in words is "one hundred thirty-one billion, two hundred thirty-one million, two hundred thirty thousand, three hundred three".