30233425121 has 2 divisors, whose sum is σ = 30233425122. Its totient is φ = 30233425120.

The previous prime is 30233425093. The next prime is 30233425127. The reversal of 30233425121 is 12152433203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29140197025 + 1093228096 = 170705^2 + 33064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30233425121 is a prime.

It is a super-2 number, since 2×30233425121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30233425127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116712560 + 15116712561.

It is an arithmetic number, because the mean of its divisors is an integer number (15116712561).

Almost surely, 2^30233425121 is an apocalyptic number.

It is an amenable number.

30233425121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233425121 is an equidigital number, since it uses as much as digits as its factorization.

30233425121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 30233425121 its reverse (12152433203), we get a palindrome (42385858324).

The spelling of 30233425121 in words is "thirty billion, two hundred thirty-three million, four hundred twenty-five thousand, one hundred twenty-one".