131324010021 has 32 divisors (see below), whose sum is σ = 196253880320. Its totient is φ = 86785618752.

The previous prime is 131324010007. The next prime is 131324010047. The reversal of 131324010021 is 120010423131.

It is not a de Polignac number, because 131324010021 - 2⁷ = 131324009893 is a prime.

It is a super-4 number, since 4×131324010021⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131324009976 and 131324010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4143591 + ... + 4175163.

It is an arithmetic number, because the mean of its divisors is an integer number (6132933760).

Almost surely, 2^131324010021 is an apocalyptic number.

It is an amenable number.

131324010021 is a deficient number, since it is larger than the sum of its proper divisors (64929870299).

131324010021 is a wasteful number, since it uses less digits than its factorization.

131324010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32922 (or 32916 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131324010021 its reverse (120010423131), we get a palindrome (251334433152).

The spelling of 131324010021 in words is "one hundred thirty-one billion, three hundred twenty-four million, ten thousand, twenty-one".