131320330103 has 4 divisors (see below), whose sum is σ = 132795839520. Its totient is φ = 129844820688.

The previous prime is 131320330093. The next prime is 131320330147. The reversal of 131320330103 is 301033023131.

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 131320330103 - 2¹⁶ = 131320264567 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 (131320330153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737754575 + ... + 737754752.

It is an arithmetic number, because the mean of its divisors is an integer number (33198959880).

Almost surely, 2^131320330103 is an apocalyptic number.

131320330103 is a deficient number, since it is larger than the sum of its proper divisors (1475509417).

131320330103 is an equidigital number, since it uses as much as digits as its factorization.

131320330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475509416.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131320330103 its reverse (301033023131), we get a palindrome (432353353234).

The spelling of 131320330103 in words is "one hundred thirty-one billion, three hundred twenty million, three hundred thirty thousand, one hundred three".