513242032351 has 4 divisors (see below), whose sum is σ = 513284918104. Its totient is φ = 513199146600.

The previous prime is 513242032339. The next prime is 513242032399. The reversal of 513242032351 is 153230242315.

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

It is a cyclic number.

It is not a de Polignac number, because 513242032351 - 2¹⁵ = 513241999583 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 (513242039351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21424920 + ... + 21448861.

It is an arithmetic number, because the mean of its divisors is an integer number (128321229526).

Almost surely, 2^513242032351 is an apocalyptic number.

513242032351 is a deficient number, since it is larger than the sum of its proper divisors (42885753).

513242032351 is a wasteful number, since it uses less digits than its factorization.

513242032351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42885752.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 513242032351 its reverse (153230242315), we get a palindrome (666472274666).

The spelling of 513242032351 in words is "five hundred thirteen billion, two hundred forty-two million, thirty-two thousand, three hundred fifty-one".