131211434032321 has 8 divisors (see below), whose sum is σ = 136917822988800. Its totient is φ = 125505173742432.

The previous prime is 131211434032309. The next prime is 131211434032397. The reversal of 131211434032321 is 123230434112131.

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 131211434032321 - 2¹⁵ = 131211433999553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131211434062321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30079860 + ... + 34164613.

It is an arithmetic number, because the mean of its divisors is an integer number (17114727873600).

Almost surely, 2^{131211434032321} is an apocalyptic number.

It is an amenable number.

131211434032321 is a deficient number, since it is larger than the sum of its proper divisors (5706388956479).

131211434032321 is an equidigital number, since it uses as much as digits as its factorization.

131211434032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64333295.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 131211434032321 its reverse (123230434112131), we get a palindrome (254441868144452).

The spelling of 131211434032321 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred thirty-four million, thirty-two thousand, three hundred twenty-one".