203230011251 has 2 divisors, whose sum is σ = 203230011252. Its totient is φ = 203230011250.

The previous prime is 203230011241. The next prime is 203230011289. The reversal of 203230011251 is 152110032302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203230011251 is a prime.

It is not a weakly prime, because it can be changed into another prime (203230011241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615005625 + 101615005626.

It is an arithmetic number, because the mean of its divisors is an integer number (101615005626).

Almost surely, 2^203230011251 is an apocalyptic number.

203230011251 is a deficient number, since it is larger than the sum of its proper divisors (1).

203230011251 is an equidigital number, since it uses as much as digits as its factorization.

203230011251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 203230011251 its reverse (152110032302), we get a palindrome (355340043553).

The spelling of 203230011251 in words is "two hundred three billion, two hundred thirty million, eleven thousand, two hundred fifty-one".