1201003031321 has 8 divisors (see below), whose sum is σ = 1272698376000. Its totient is φ = 1130156152560.

The previous prime is 1201003031297. The next prime is 1201003031377. The reversal of 1201003031321 is 1231303001021.

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 1201003031321 - 2³⁸ = 926125124377 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 1201003031321.

It is not an unprimeable number, because it can be changed into a prime (1201003031381) 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, 212113565 + ... + 212119226.

It is an arithmetic number, because the mean of its divisors is an integer number (159087297000).

Almost surely, 2^{1201003031321} is an apocalyptic number.

It is an amenable number.

1201003031321 is a deficient number, since it is larger than the sum of its proper divisors (71695344679).

1201003031321 is a wasteful number, since it uses less digits than its factorization.

1201003031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424232959.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1201003031321 its reverse (1231303001021), we get a palindrome (2432306032342).

The spelling of 1201003031321 in words is "one trillion, two hundred one billion, three million, thirty-one thousand, three hundred twenty-one".