1030032320021 has 4 divisors (see below), whose sum is σ = 1030040214432. Its totient is φ = 1030024425612.

The previous prime is 1030032320003. The next prime is 1030032320047. The reversal of 1030032320021 is 1200232300301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030032320021 - 2¹⁴ = 1030032303637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030032326021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748145 + ... + 4013558.

It is an arithmetic number, because the mean of its divisors is an integer number (257510053608).

Almost surely, 2^{1030032320021} is an apocalyptic number.

It is an amenable number.

1030032320021 is a deficient number, since it is larger than the sum of its proper divisors (7894411).

1030032320021 is an equidigital number, since it uses as much as digits as its factorization.

1030032320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894410.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1030032320021 its reverse (1200232300301), we get a palindrome (2230264620322).

The spelling of 1030032320021 in words is "one trillion, thirty billion, thirty-two million, three hundred twenty thousand, twenty-one".