10203131020321 has 8 divisors (see below), whose sum is σ = 10559916244800. Its totient is φ = 9846676003920.

The previous prime is 10203131020319. The next prime is 10203131020331. The reversal of 10203131020321 is 12302013130201.

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 10203131020321 - 2¹ = 10203131020319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203131020331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82489141 + ... + 82612738.

It is an arithmetic number, because the mean of its divisors is an integer number (1319989530600).

Almost surely, 2^{10203131020321} is an apocalyptic number.

It is an amenable number.

10203131020321 is a deficient number, since it is larger than the sum of its proper divisors (356785224479).

10203131020321 is a wasteful number, since it uses less digits than its factorization.

10203131020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165104039.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10203131020321 its reverse (12302013130201), we get a palindrome (22505144150522).

The spelling of 10203131020321 in words is "ten trillion, two hundred three billion, one hundred thirty-one million, twenty thousand, three hundred twenty-one".