305354054213 has 16 divisors (see below), whose sum is σ = 348219330480. Its totient is φ = 265259974656.

The previous prime is 305354054123. The next prime is 305354054231. The reversal of 305354054213 is 312450453503.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2362154404 + 302991899809 = 48602^2 + 550447^2 .

It is a cyclic number.

It is not a de Polignac number, because 305354054213 - 2¹⁴ = 305354037829 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 (305354054813) 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, 2516933 + ... + 2635461.

It is an arithmetic number, because the mean of its divisors is an integer number (21763708155).

Almost surely, 2^305354054213 is an apocalyptic number.

It is an amenable number.

305354054213 is a deficient number, since it is larger than the sum of its proper divisors (42865276267).

305354054213 is a wasteful number, since it uses less digits than its factorization.

305354054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130216.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 305354054213 in words is "three hundred five billion, three hundred fifty-four million, fifty-four thousand, two hundred thirteen".