30032323121 has 4 divisors (see below), whose sum is σ = 31067920500. Its totient is φ = 28996725744.

The previous prime is 30032323109. The next prime is 30032323169. The reversal of 30032323121 is 12132323003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12132323003 = 17 ⋅713666059.

It can be written as a sum of positive squares in 2 ways, for example, as 22277055025 + 7755268096 = 149255^2 + 88064^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032323121 - 2¹⁸ = 30032060977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032323093 and 30032323102.

It is not an unprimeable number, because it can be changed into a prime (30032323021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517798646 + ... + 517798703.

It is an arithmetic number, because the mean of its divisors is an integer number (7766980125).

Almost surely, 2^30032323121 is an apocalyptic number.

It is an amenable number.

30032323121 is a deficient number, since it is larger than the sum of its proper divisors (1035597379).

30032323121 is a wasteful number, since it uses less digits than its factorization.

30032323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035597378.

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

Adding to 30032323121 its reverse (12132323003), we get a palindrome (42164646124).

The spelling of 30032323121 in words is "thirty billion, thirty-two million, three hundred twenty-three thousand, one hundred twenty-one".