131423130303 has 4 divisors (see below), whose sum is σ = 175230840408. Its totient is φ = 87615420200.

The previous prime is 131423130287. The next prime is 131423130313. The reversal of 131423130303 is 303031324131.

It is a happy number.

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 131423130303 - 2⁴ = 131423130287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423130313) 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, 21903855048 + ... + 21903855053.

It is an arithmetic number, because the mean of its divisors is an integer number (43807710102).

Almost surely, 2^131423130303 is an apocalyptic number.

131423130303 is a deficient number, since it is larger than the sum of its proper divisors (43807710105).

131423130303 is an equidigital number, since it uses as much as digits as its factorization.

131423130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43807710104.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131423130303 its reverse (303031324131), we get a palindrome (434454454434).

It can be divided in two parts, 131423 and 130303, that added together give a triangular number (261726 = T₇₂₃).

The spelling of 131423130303 in words is "one hundred thirty-one billion, four hundred twenty-three million, one hundred thirty thousand, three hundred three".