305200101 has 4 divisors (see below), whose sum is σ = 406933472. Its totient is φ = 203466732.

The previous prime is 305200073. The next prime is 305200153. The reversal of 305200101 is 101002503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 305200101 - 2⁵ = 305200069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305200601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50866681 + ... + 50866686.

It is an arithmetic number, because the mean of its divisors is an integer number (101733368).

Almost surely, 2^305200101 is an apocalyptic number.

It is an amenable number.

305200101 is a deficient number, since it is larger than the sum of its proper divisors (101733371).

305200101 is a wasteful number, since it uses less digits than its factorization.

305200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101733370.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 305200101 is about 17469.9771322117. The cubic root of 305200101 is about 673.2787244268.

Adding to 305200101 its reverse (101002503), we get a palindrome (406202604).

The spelling of 305200101 in words is "three hundred five million, two hundred thousand, one hundred one".