131320320223313 has 32 divisors (see below), whose sum is σ = 154333299576960. Its totient is φ = 110688021020160.

The previous prime is 131320320223273. The next prime is 131320320223343. The reversal of 131320320223313 is 313322023023131.

It is not a de Polignac number, because 131320320223313 - 2¹² = 131320320219217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131320320223343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77276006 + ... + 78957087.

It is an arithmetic number, because the mean of its divisors is an integer number (4822915611780).

Almost surely, 2^{131320320223313} is an apocalyptic number.

131320320223313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131320320223313 is a deficient number, since it is larger than the sum of its proper divisors (23012979353647).

131320320223313 is a wasteful number, since it uses less digits than its factorization.

131320320223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156233249.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 131320320223313 its reverse (313322023023131), we get a palindrome (444642343246444).

The spelling of 131320320223313 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred twenty million, two hundred twenty-three thousand, three hundred thirteen".