1003321132321 has 8 divisors (see below), whose sum is σ = 1047149720064. Its totient is φ = 959509705440.

The previous prime is 1003321132313. The next prime is 1003321132343. The reversal of 1003321132321 is 1232311233001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003321132321 - 2³ = 1003321132313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003321132292 and 1003321132301.

It is not an unprimeable number, because it can be changed into a prime (1003321162321) 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, 4170660 + ... + 4404661.

It is an arithmetic number, because the mean of its divisors is an integer number (130893715008).

Almost surely, 2^{1003321132321} is an apocalyptic number.

It is an amenable number.

1003321132321 is a deficient number, since it is larger than the sum of its proper divisors (43828587743).

1003321132321 is an equidigital number, since it uses as much as digits as its factorization.

1003321132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580431.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1003321132321 its reverse (1232311233001), we get a palindrome (2235632365322).

The spelling of 1003321132321 in words is "one trillion, three billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty-one".