131021210231313 has 32 divisors (see below), whose sum is σ = 186593444674560. Its totient is φ = 81595351783680.

The previous prime is 131021210231299. The next prime is 131021210231341. The reversal of 131021210231313 is 313132012120131.

It is not a de Polignac number, because 131021210231313 - 2¹⁰ = 131021210230289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131021210231383) 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, 5368231 + ... + 17054627.

It is an arithmetic number, because the mean of its divisors is an integer number (5831045146080).

Almost surely, 2^{131021210231313} is an apocalyptic number.

It is an amenable number.

131021210231313 is a deficient number, since it is larger than the sum of its proper divisors (55572234443247).

131021210231313 is a wasteful number, since it uses less digits than its factorization.

131021210231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690617.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131021210231313 its reverse (313132012120131), we get a palindrome (444153222351444).

The spelling of 131021210231313 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred ten million, two hundred thirty-one thousand, three hundred thirteen".