230133111251 has 2 divisors, whose sum is σ = 230133111252. Its totient is φ = 230133111250.

The previous prime is 230133111211. The next prime is 230133111269. The reversal of 230133111251 is 152111331032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230133111251 is a prime.

It is a super-2 number, since 2×230133111251² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230133111211) 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 as a sum of consecutive naturals, namely, 115066555625 + 115066555626.

It is an arithmetic number, because the mean of its divisors is an integer number (115066555626).

Almost surely, 2^230133111251 is an apocalyptic number.

230133111251 is a deficient number, since it is larger than the sum of its proper divisors (1).

230133111251 is an equidigital number, since it uses as much as digits as its factorization.

230133111251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 230133111251 its reverse (152111331032), we get a palindrome (382244442283).

The spelling of 230133111251 in words is "two hundred thirty billion, one hundred thirty-three million, one hundred eleven thousand, two hundred fifty-one".