305130030105 has 32 divisors (see below), whose sum is σ = 489165717888. Its totient is φ = 162417024000.

The previous prime is 305130030097. The next prime is 305130030113. The reversal of 305130030105 is 501030031503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305130030097) and next prime (305130030113).

It is not a de Polignac number, because 305130030105 - 2³ = 305130030097 is a prime.

It is a super-2 number, since 2×305130030105² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27766422 + ... + 27777408.

It is an arithmetic number, because the mean of its divisors is an integer number (15286428684).

Almost surely, 2^305130030105 is an apocalyptic number.

It is an amenable number.

305130030105 is a deficient number, since it is larger than the sum of its proper divisors (184035687783).

305130030105 is a wasteful number, since it uses less digits than its factorization.

305130030105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457.

The product of its (nonzero) digits is 675, while the sum is 21.

Adding to 305130030105 its reverse (501030031503), we get a palindrome (806160061608).

The spelling of 305130030105 in words is "three hundred five billion, one hundred thirty million, thirty thousand, one hundred five".