131230210321 has 8 divisors (see below), whose sum is σ = 154815363584. Its totient is φ = 108854552160.

The previous prime is 131230210283. The next prime is 131230210357. The reversal of 131230210321 is 123012032131.

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 131230210321 - 2²¹ = 131228113169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131230210121) 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 7 ways as a sum of consecutive naturals, for example, 302373540 + ... + 302373973.

It is an arithmetic number, because the mean of its divisors is an integer number (19351920448).

Almost surely, 2^131230210321 is an apocalyptic number.

It is an amenable number.

131230210321 is a deficient number, since it is larger than the sum of its proper divisors (23585153263).

131230210321 is an equidigital number, since it uses as much as digits as its factorization.

131230210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604747551.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131230210321 its reverse (123012032131), we get a palindrome (254242242452).

It can be divided in two parts, 131230 and 210321, that added together give a triangular number (341551 = T₈₂₆).

The spelling of 131230210321 in words is "one hundred thirty-one billion, two hundred thirty million, two hundred ten thousand, three hundred twenty-one".