1321431323001 has 8 divisors (see below), whose sum is σ = 1818744186624. Its totient is φ = 852536337360.

The previous prime is 1321431322951. The next prime is 1321431323027. The reversal of 1321431323001 is 1003231341231.

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

It is not a de Polignac number, because 1321431323001 - 2¹¹ = 1321431320953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321431323081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7104469386 + ... + 7104469571.

It is an arithmetic number, because the mean of its divisors is an integer number (227343023328).

Almost surely, 2^{1321431323001} is an apocalyptic number.

It is an amenable number.

1321431323001 is a deficient number, since it is larger than the sum of its proper divisors (497312863623).

1321431323001 is a wasteful number, since it uses less digits than its factorization.

1321431323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208938991.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1321431323001 its reverse (1003231341231), we get a palindrome (2324662664232).

The spelling of 1321431323001 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-one million, three hundred twenty-three thousand, one".