131002313021 has 8 divisors (see below), whose sum is σ = 138814482240. Its totient is φ = 123201938368.

The previous prime is 131002313011. The next prime is 131002313023. The reversal of 131002313021 is 120313200131.

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 131002313021 - 2³⁴ = 113822443837 is a prime.

It is a super-2 number, since 2×131002313021² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002313023) 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, 2925761 + ... + 2970198.

It is an arithmetic number, because the mean of its divisors is an integer number (17351810280).

Almost surely, 2^131002313021 is an apocalyptic number.

It is an amenable number.

131002313021 is a deficient number, since it is larger than the sum of its proper divisors (7812169219).

131002313021 is a wasteful number, since it uses less digits than its factorization.

131002313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897283.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131002313021 its reverse (120313200131), we get a palindrome (251315513152).

The spelling of 131002313021 in words is "one hundred thirty-one billion, two million, three hundred thirteen thousand, twenty-one".