131303031132323 has 4 divisors (see below), whose sum is σ = 131624065438680. Its totient is φ = 130981996825968.

The previous prime is 131303031132319. The next prime is 131303031132341. The reversal of 131303031132323 is 323231130303131.

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 131303031132323 - 2² = 131303031132319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303031132223) 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, 160517152565 + ... + 160517153382.

It is an arithmetic number, because the mean of its divisors is an integer number (32906016359670).

Almost surely, 2^{131303031132323} is an apocalyptic number.

131303031132323 is a deficient number, since it is larger than the sum of its proper divisors (321034306357).

131303031132323 is an equidigital number, since it uses as much as digits as its factorization.

131303031132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321034306356.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 131303031132323 its reverse (323231130303131), we get a palindrome (454534161435454).

The spelling of 131303031132323 in words is "one hundred thirty-one trillion, three hundred three billion, thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".