131323003021 has 8 divisors (see below), whose sum is σ = 150111273600. Its totient is φ = 112541692848.

The previous prime is 131323003013. The next prime is 131323003039. The reversal of 131323003021 is 120300323131.

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

It is a cyclic number.

It is not a de Polignac number, because 131323003021 - 2³ = 131323003013 is a prime.

It is a super-2 number, since 2×131323003021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131323003021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323003051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699606 + ... + 1775191.

It is an arithmetic number, because the mean of its divisors is an integer number (18763909200).

Almost surely, 2^131323003021 is an apocalyptic number.

It is an amenable number.

131323003021 is a deficient number, since it is larger than the sum of its proper divisors (18788270579).

131323003021 is an equidigital number, since it uses as much as digits as its factorization.

131323003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480203.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131323003021 its reverse (120300323131), we get a palindrome (251623326152).

The spelling of 131323003021 in words is "one hundred thirty-one billion, three hundred twenty-three million, three thousand, twenty-one".