131021333013 has 16 divisors (see below), whose sum is σ = 177202247040. Its totient is φ = 86095528704.

The previous prime is 131021332987. The next prime is 131021333041. The reversal of 131021333013 is 310333120131.

It is not a de Polignac number, because 131021333013 - 2¹³ = 131021324821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021333083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149545 + ... + 533297.

It is an arithmetic number, because the mean of its divisors is an integer number (11075140440).

Almost surely, 2^131021333013 is an apocalyptic number.

It is an amenable number.

131021333013 is a deficient number, since it is larger than the sum of its proper divisors (46180914027).

131021333013 is a wasteful number, since it uses less digits than its factorization.

131021333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385388.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131021333013 its reverse (310333120131), we get a palindrome (441354453144).

The spelling of 131021333013 in words is "one hundred thirty-one billion, twenty-one million, three hundred thirty-three thousand, thirteen".