131103133303313 has 4 divisors (see below), whose sum is σ = 131183220741300. Its totient is φ = 131023045865328.

The previous prime is 131103133303301. The next prime is 131103133303339. The reversal of 131103133303313 is 313303331301131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6808462145809 + 124294671157504 = 2609303^2 + 11148752^2 .

It is a cyclic number.

It is not a de Polignac number, because 131103133303313 - 2²⁶ = 131103066194449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103133003313) 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, 40043716538 + ... + 40043719811.

It is an arithmetic number, because the mean of its divisors is an integer number (32795805185325).

Almost surely, 2^{131103133303313} is an apocalyptic number.

It is an amenable number.

131103133303313 is a deficient number, since it is larger than the sum of its proper divisors (80087437987).

131103133303313 is an equidigital number, since it uses as much as digits as its factorization.

131103133303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80087437986.

The product of its (nonzero) digits is 6561, while the sum is 29.

Adding to 131103133303313 its reverse (313303331301131), we get a palindrome (444406464604444).

The spelling of 131103133303313 in words is "one hundred thirty-one trillion, one hundred three billion, one hundred thirty-three million, three hundred three thousand, three hundred thirteen".