513254320303 has 8 divisors (see below), whose sum is σ = 518046894000. Its totient is φ = 508466141568.

The previous prime is 513254320291. The next prime is 513254320351. The reversal of 513254320303 is 303023452315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513254320303 - 2²¹ = 513252223151 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 (513254320003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863853 + ... + 1331446.

It is an arithmetic number, because the mean of its divisors is an integer number (64755861750).

Almost surely, 2^513254320303 is an apocalyptic number.

513254320303 is a deficient number, since it is larger than the sum of its proper divisors (4792573697).

513254320303 is a wasteful number, since it uses less digits than its factorization.

513254320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197481.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 513254320303 its reverse (303023452315), we get a palindrome (816277772618).

The spelling of 513254320303 in words is "five hundred thirteen billion, two hundred fifty-four million, three hundred twenty thousand, three hundred three".