1321003230331 has 8 divisors (see below), whose sum is σ = 1321870110480. Its totient is φ = 1320136630272.

The previous prime is 1321003230329. The next prime is 1321003230367. The reversal of 1321003230331 is 1330323001231.

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 1321003230331 - 2¹ = 1321003230329 is a prime.

It is a super-2 number, since 2×1321003230331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321003230431) 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, 9818491 + ... + 9952123.

It is an arithmetic number, because the mean of its divisors is an integer number (165233763810).

Almost surely, 2^{1321003230331} is an apocalyptic number.

1321003230331 is a deficient number, since it is larger than the sum of its proper divisors (866880149).

1321003230331 is a wasteful number, since it uses less digits than its factorization.

1321003230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140045.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1321003230331 its reverse (1330323001231), we get a palindrome (2651326231562).

The spelling of 1321003230331 in words is "one trillion, three hundred twenty-one billion, three million, two hundred thirty thousand, three hundred thirty-one".