131448344313 has 48 divisors (see below), whose sum is σ = 207751234880. Its totient is φ = 73436077440.

The previous prime is 131448344219. The next prime is 131448344353. The reversal of 131448344313 is 313443844131.

It is a happy number.

It is not a de Polignac number, because 131448344313 - 2⁸ = 131448344057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131448344353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3468495 + ... + 3506187.

Almost surely, 2^131448344313 is an apocalyptic number.

131448344313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131448344313 is a deficient number, since it is larger than the sum of its proper divisors (76302890567).

131448344313 is a wasteful number, since it uses less digits than its factorization.

131448344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38470 (or 38459 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The spelling of 131448344313 in words is "one hundred thirty-one billion, four hundred forty-eight million, three hundred forty-four thousand, three hundred thirteen".