131403004324303 has 4 divisors (see below), whose sum is σ = 134607955649328. Its totient is φ = 128198052999280.

The previous prime is 131403004324259. The next prime is 131403004324337. The reversal of 131403004324303 is 303423400304131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403004324303 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 (131403004324003) 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, 1602475662451 + ... + 1602475662532.

It is an arithmetic number, because the mean of its divisors is an integer number (33651988912332).

Almost surely, 2^{131403004324303} is an apocalyptic number.

131403004324303 is a deficient number, since it is larger than the sum of its proper divisors (3204951325025).

131403004324303 is an equidigital number, since it uses as much as digits as its factorization.

131403004324303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204951325024.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 131403004324303 its reverse (303423400304131), we get a palindrome (434826404628434).

The spelling of 131403004324303 in words is "one hundred thirty-one trillion, four hundred three billion, four million, three hundred twenty-four thousand, three hundred three".