30232203121 has 2 divisors, whose sum is σ = 30232203122. Its totient is φ = 30232203120.

The previous prime is 30232203097. The next prime is 30232203143. The reversal of 30232203121 is 12130223203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25818062400 + 4414140721 = 160680^2 + 66439^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232203121 - 2⁷ = 30232202993 is a prime.

It is a super-2 number, since 2×30232203121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30232203161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116101560 + 15116101561.

It is an arithmetic number, because the mean of its divisors is an integer number (15116101561).

Almost surely, 2^30232203121 is an apocalyptic number.

It is an amenable number.

30232203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232203121 is an equidigital number, since it uses as much as digits as its factorization.

30232203121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30232203121 its reverse (12130223203), we get a palindrome (42362426324).

The spelling of 30232203121 in words is "thirty billion, two hundred thirty-two million, two hundred three thousand, one hundred twenty-one".