131303120323 has 4 divisors (see below), whose sum is σ = 131307610240. Its totient is φ = 131298630408.

The previous prime is 131303120293. The next prime is 131303120329. The reversal of 131303120323 is 323021303131.

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 131303120323 - 2⁹ = 131303119811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131303120294 and 131303120303.

It is not an unprimeable number, because it can be changed into a prime (131303120329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200803 + ... + 2259676.

It is an arithmetic number, because the mean of its divisors is an integer number (32826902560).

Almost surely, 2^131303120323 is an apocalyptic number.

131303120323 is a deficient number, since it is larger than the sum of its proper divisors (4489917).

131303120323 is an equidigital number, since it uses as much as digits as its factorization.

131303120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489916.

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

Adding to 131303120323 its reverse (323021303131), we get a palindrome (454324423454).

The spelling of 131303120323 in words is "one hundred thirty-one billion, three hundred three million, one hundred twenty thousand, three hundred twenty-three".