131232321001 has 8 divisors (see below), whose sum is σ = 136946746944. Its totient is φ = 125518617840.

The previous prime is 131232320957. The next prime is 131232321007. The reversal of 131232321001 is 100123232131.

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 131232321001 - 2⁷ = 131232320873 is a prime.

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 131232321001.

It is not an unprimeable number, because it can be changed into a prime (131232321007) 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, 208171 + ... + 552991.

It is an arithmetic number, because the mean of its divisors is an integer number (17118343368).

Almost surely, 2^131232321001 is an apocalyptic number.

It is an amenable number.

131232321001 is a deficient number, since it is larger than the sum of its proper divisors (5714425943).

131232321001 is a wasteful number, since it uses less digits than its factorization.

131232321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361391.

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

Adding to 131232321001 its reverse (100123232131), we get a palindrome (231355553132).

The spelling of 131232321001 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, one".