513013022211 has 4 divisors (see below), whose sum is σ = 684017362952. Its totient is φ = 342008681472.

The previous prime is 513013022209. The next prime is 513013022261. The reversal of 513013022211 is 112220310315.

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

It is not a de Polignac number, because 513013022211 - 2¹ = 513013022209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513013022261) 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, 85502170366 + ... + 85502170371.

It is an arithmetic number, because the mean of its divisors is an integer number (171004340738).

Almost surely, 2^513013022211 is an apocalyptic number.

513013022211 is a deficient number, since it is larger than the sum of its proper divisors (171004340741).

513013022211 is a wasteful number, since it uses less digits than its factorization.

513013022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171004340740.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 513013022211 its reverse (112220310315), we get a palindrome (625233332526).

The spelling of 513013022211 in words is "five hundred thirteen billion, thirteen million, twenty-two thousand, two hundred eleven".