305042231099 has 2 divisors, whose sum is σ = 305042231100. Its totient is φ = 305042231098.

The previous prime is 305042231071. The next prime is 305042231171. The reversal of 305042231099 is 990132240503.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305042231099 - 2¹⁶ = 305042165563 is a prime.

It is not a weakly prime, because it can be changed into another prime (305042231059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152521115549 + 152521115550.

It is an arithmetic number, because the mean of its divisors is an integer number (152521115550).

Almost surely, 2^305042231099 is an apocalyptic number.

305042231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

305042231099 is an equidigital number, since it uses as much as digits as its factorization.

305042231099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 305042231099 in words is "three hundred five billion, forty-two million, two hundred thirty-one thousand, ninety-nine".