131332123021 has 8 divisors (see below), whose sum is σ = 143632296864. Its totient is φ = 119092097520.

The previous prime is 131332122997. The next prime is 131332123037. The reversal of 131332123021 is 120321233131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131332123021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131332122983 and 131332123001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332123421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15032515 + ... + 15041248.

It is an arithmetic number, because the mean of its divisors is an integer number (17954037108).

Almost surely, 2^131332123021 is an apocalyptic number.

131332123021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131332123021 is a deficient number, since it is larger than the sum of its proper divisors (12300173843).

131332123021 is a wasteful number, since it uses less digits than its factorization.

131332123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30074171.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131332123021 its reverse (120321233131), we get a palindrome (251653356152).

The spelling of 131332123021 in words is "one hundred thirty-one billion, three hundred thirty-two million, one hundred twenty-three thousand, twenty-one".