305540431315051 has 2 divisors, whose sum is σ = 305540431315052. Its totient is φ = 305540431315050.

The previous prime is 305540431315043. The next prime is 305540431315081. The reversal of 305540431315051 is 150513134045503.

It is a weak prime.

It is an emirp because it is prime and its reverse (150513134045503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305540431315051 - 2³ = 305540431315043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305540431314995 and 305540431315013.

It is not a weakly prime, because it can be changed into another prime (305540431315081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152770215657525 + 152770215657526.

It is an arithmetic number, because the mean of its divisors is an integer number (152770215657526).

Almost surely, 2^{305540431315051} is an apocalyptic number.

305540431315051 is a deficient number, since it is larger than the sum of its proper divisors (1).

305540431315051 is an equidigital number, since it uses as much as digits as its factorization.

305540431315051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 305540431315051 in words is "three hundred five trillion, five hundred forty billion, four hundred thirty-one million, three hundred fifteen thousand, fifty-one".