30231032321 has 8 divisors (see below), whose sum is σ = 35664259584. Its totient is φ = 25076432160.

The previous prime is 30231032311. The next prime is 30231032327. The reversal of 30231032321 is 12323013203.

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 30231032321 - 2⁶ = 30231032257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231032293 and 30231032302.

It is not an unprimeable number, because it can be changed into a prime (30231032327) 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, 69656540 + ... + 69656973.

It is an arithmetic number, because the mean of its divisors is an integer number (4458032448).

Almost surely, 2^30231032321 is an apocalyptic number.

30231032321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30231032321 is a deficient number, since it is larger than the sum of its proper divisors (5433227263).

30231032321 is a wasteful number, since it uses less digits than its factorization.

30231032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139313551.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30231032321 its reverse (12323013203), we get a palindrome (42554045524).

The spelling of 30231032321 in words is "thirty billion, two hundred thirty-one million, thirty-two thousand, three hundred twenty-one".