131000313021 has 8 divisors (see below), whose sum is σ = 174698962080. Its totient is φ = 87317602992.

The previous prime is 131000313013. The next prime is 131000313043. The reversal of 131000313021 is 120313000131.

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

It is not a de Polignac number, because 131000313021 - 2³ = 131000313013 is a prime.

It is a super-2 number, since 2×131000313021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000313011) 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, 3965566 + ... + 3998463.

It is an arithmetic number, because the mean of its divisors is an integer number (21837370260).

Almost surely, 2^131000313021 is an apocalyptic number.

It is an amenable number.

131000313021 is a deficient number, since it is larger than the sum of its proper divisors (43698649059).

131000313021 is an equidigital number, since it uses as much as digits as its factorization.

131000313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969515.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 131000313021 its reverse (120313000131), we get a palindrome (251313313152).

The spelling of 131000313021 in words is "one hundred thirty-one billion, three hundred thirteen thousand, twenty-one".