1031201000321 has 16 divisors (see below), whose sum is σ = 1100867644800. Its totient is φ = 963076262400.

The previous prime is 1031201000311. The next prime is 1031201000371. The reversal of 1031201000321 is 1230001021301.

It is not a de Polignac number, because 1031201000321 - 2⁶ = 1031201000257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031201000296 and 1031201000305.

It is not an unprimeable number, because it can be changed into a prime (1031201000311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17211665 + ... + 17271473.

It is an arithmetic number, because the mean of its divisors is an integer number (68804227800).

Almost surely, 2^{1031201000321} is an apocalyptic number.

It is an amenable number.

1031201000321 is a deficient number, since it is larger than the sum of its proper divisors (69666644479).

1031201000321 is a wasteful number, since it uses less digits than its factorization.

1031201000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72680.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1031201000321 its reverse (1230001021301), we get a palindrome (2261202021622).

The spelling of 1031201000321 in words is "one trillion, thirty-one billion, two hundred one million, three hundred twenty-one", and thus it is an aban number.