30032312129 has 2 divisors, whose sum is σ = 30032312130. Its totient is φ = 30032312128.

The previous prime is 30032312087. The next prime is 30032312131. The reversal of 30032312129 is 92121323003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28992894529 + 1039417600 = 170273^2 + 32240^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032312129 - 2¹⁶ = 30032246593 is a prime.

Together with 30032312131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30032312098 and 30032312107.

It is not a weakly prime, because it can be changed into another prime (30032332129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016156064 + 15016156065.

It is an arithmetic number, because the mean of its divisors is an integer number (15016156065).

Almost surely, 2^30032312129 is an apocalyptic number.

It is an amenable number.

30032312129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032312129 is an equidigital number, since it uses as much as digits as its factorization.

30032312129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

It can be divided in two parts, 3003 and 2312129, that added together give a palindrome (2315132).

The spelling of 30032312129 in words is "thirty billion, thirty-two million, three hundred twelve thousand, one hundred twenty-nine".