305411211313013 has 4 divisors (see below), whose sum is σ = 328904381414028. Its totient is φ = 281918041212000.

The previous prime is 305411211313009. The next prime is 305411211313051. The reversal of 305411211313013 is 310313112114503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97706562623569 + 207704648689444 = 9884663^2 + 14411962^2 .

It is a cyclic number.

It is not a de Polignac number, because 305411211313013 - 2² = 305411211313009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305411201313013) 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, 11746585050488 + ... + 11746585050513.

It is an arithmetic number, because the mean of its divisors is an integer number (82226095353507).

Almost surely, 2^{305411211313013} is an apocalyptic number.

It is an amenable number.

305411211313013 is a deficient number, since it is larger than the sum of its proper divisors (23493170101015).

305411211313013 is a wasteful number, since it uses less digits than its factorization.

305411211313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493170101014.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 305411211313013 its reverse (310313112114503), we get a palindrome (615724323427516).

The spelling of 305411211313013 in words is "three hundred five trillion, four hundred eleven billion, two hundred eleven million, three hundred thirteen thousand, thirteen".