305000125231 has 2 divisors, whose sum is σ = 305000125232. Its totient is φ = 305000125230.

The previous prime is 305000125223. The next prime is 305000125277. The reversal of 305000125231 is 132521000503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305000125231 - 2³ = 305000125223 is a prime.

It is a super-2 number, since 2×305000125231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305000125201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152500062615 + 152500062616.

It is an arithmetic number, because the mean of its divisors is an integer number (152500062616).

Almost surely, 2^305000125231 is an apocalyptic number.

305000125231 is a deficient number, since it is larger than the sum of its proper divisors (1).

305000125231 is an equidigital number, since it uses as much as digits as its factorization.

305000125231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 305000125231 its reverse (132521000503), we get a palindrome (437521125734).

The spelling of 305000125231 in words is "three hundred five billion, one hundred twenty-five thousand, two hundred thirty-one".