305133105 has 16 divisors (see below), whose sum is σ = 489760704. Its totient is φ = 162221760.

The previous prime is 305133091. The next prime is 305133107. The reversal of 305133105 is 501331503.

It is a happy number.

It is not a de Polignac number, because 305133105 - 2⁴ = 305133089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305133107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27331 + ... + 36840.

It is an arithmetic number, because the mean of its divisors is an integer number (30610044).

Almost surely, 2^305133105 is an apocalyptic number.

It is an amenable number.

305133105 is a deficient number, since it is larger than the sum of its proper divisors (184627599).

305133105 is a wasteful number, since it uses less digits than its factorization.

305133105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64496.

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

The square root of 305133105 is about 17468.0595659621. The cubic root of 305133105 is about 673.2294558953.

Adding to 305133105 its reverse (501331503), we get a palindrome (806464608).

The spelling of 305133105 in words is "three hundred five million, one hundred thirty-three thousand, one hundred five".