2003000231021 has 8 divisors (see below), whose sum is σ = 2035859113344. Its totient is φ = 1970142084720.

The previous prime is 2003000230961. The next prime is 2003000231033. The reversal of 2003000231021 is 1201320003002.

It is a happy number.

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 2003000231021 - 2¹⁴ = 2003000214637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003000230987 and 2003000231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003000231321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9175280 + ... + 9391046.

It is an arithmetic number, because the mean of its divisors is an integer number (254482389168).

Almost surely, 2^{2003000231021} is an apocalyptic number.

It is an amenable number.

2003000231021 is a deficient number, since it is larger than the sum of its proper divisors (32858882323).

2003000231021 is a wasteful number, since it uses less digits than its factorization.

2003000231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368011.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2003000231021 its reverse (1201320003002), we get a palindrome (3204320234023).

The spelling of 2003000231021 in words is "two trillion, three billion, two hundred thirty-one thousand, twenty-one".