30132032321 has 4 divisors (see below), whose sum is σ = 30156874452. Its totient is φ = 30107190192.

The previous prime is 30132032317. The next prime is 30132032327. The reversal of 30132032321 is 12323023103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12323023103 = 103 ⋅119641001.

It can be written as a sum of positive squares in 2 ways, for example, as 8659233025 + 21472799296 = 93055^2 + 146536^2 .

It is a cyclic number.

It is not a de Polignac number, because 30132032321 - 2² = 30132032317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30132032293 and 30132032302.

It is not an unprimeable number, because it can be changed into a prime (30132032327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12419246 + ... + 12421671.

It is an arithmetic number, because the mean of its divisors is an integer number (7539218613).

Almost surely, 2^30132032321 is an apocalyptic number.

It is an amenable number.

30132032321 is a deficient number, since it is larger than the sum of its proper divisors (24842131).

30132032321 is a wasteful number, since it uses less digits than its factorization.

30132032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842130.

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

Adding to 30132032321 its reverse (12323023103), we get a palindrome (42455055424).

The spelling of 30132032321 in words is "thirty billion, one hundred thirty-two million, thirty-two thousand, three hundred twenty-one".