513213103324201 has 4 divisors (see below), whose sum is σ = 586529260941952. Its totient is φ = 439896945706452.

The previous prime is 513213103324169. The next prime is 513213103324213. The reversal of 513213103324201 is 102423301312315.

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 a cyclic number.

It is not a de Polignac number, because 513213103324201 - 2⁵ = 513213103324169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513213103324301) 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, 36658078808865 + ... + 36658078808878.

It is an arithmetic number, because the mean of its divisors is an integer number (146632315235488).

Almost surely, 2^{513213103324201} is an apocalyptic number.

It is an amenable number.

513213103324201 is a deficient number, since it is larger than the sum of its proper divisors (73316157617751).

513213103324201 is an equidigital number, since it uses as much as digits as its factorization.

513213103324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73316157617750.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 513213103324201 its reverse (102423301312315), we get a palindrome (615636404636516).

The spelling of 513213103324201 in words is "five hundred thirteen trillion, two hundred thirteen billion, one hundred three million, three hundred twenty-four thousand, two hundred one".