1321231320301 has 16 divisors (see below), whose sum is σ = 1386744798208. Its totient is φ = 1257164841600.

The previous prime is 1321231320281. The next prime is 1321231320323. The reversal of 1321231320301 is 1030231321231.

It is a cyclic number.

It is not a de Polignac number, because 1321231320301 - 2⁹ = 1321231319789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321231327301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815256 + ... + 5082238.

It is an arithmetic number, because the mean of its divisors is an integer number (86671549888).

Almost surely, 2^{1321231320301} is an apocalyptic number.

It is an amenable number.

1321231320301 is a deficient number, since it is larger than the sum of its proper divisors (65513477907).

1321231320301 is a wasteful number, since it uses less digits than its factorization.

1321231320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269692.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321231320301 its reverse (1030231321231), we get a palindrome (2351462641532).

The spelling of 1321231320301 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-one million, three hundred twenty thousand, three hundred one".