513353442103 has 4 divisors (see below), whose sum is σ = 518337456208. Its totient is φ = 508369428000.

The previous prime is 513353442097. The next prime is 513353442169. The reversal of 513353442103 is 301244353315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301244353315 = 5 ⋅60248870663.

It is a cyclic number.

It is not a de Polignac number, because 513353442103 - 2⁵ = 513353442071 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 (513353442193) 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, 2492006898 + ... + 2492007103.

It is an arithmetic number, because the mean of its divisors is an integer number (129584364052).

Almost surely, 2^513353442103 is an apocalyptic number.

513353442103 is a deficient number, since it is larger than the sum of its proper divisors (4984014105).

513353442103 is a wasteful number, since it uses less digits than its factorization.

513353442103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984014104.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 513353442103 its reverse (301244353315), we get a palindrome (814597795418).

The spelling of 513353442103 in words is "five hundred thirteen billion, three hundred fifty-three million, four hundred forty-two thousand, one hundred three".