513424523343531 has 8 divisors (see below), whose sum is σ = 684692967180240. Its totient is φ = 342219547534592.

The previous prime is 513424523343527. The next prime is 513424523343533. The reversal of 513424523343531 is 135343325424315.

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 513424523343531 - 2² = 513424523343527 is a prime.

It is a super-2 number, since 2×513424523343531² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513424523343533) 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 7 ways as a sum of consecutive naturals, for example, 15866988066 + ... + 15867020423.

It is an arithmetic number, because the mean of its divisors is an integer number (85586620897530).

Almost surely, 2^{513424523343531} is an apocalyptic number.

513424523343531 is a deficient number, since it is larger than the sum of its proper divisors (171268443836709).

513424523343531 is a wasteful number, since it uses less digits than its factorization.

513424523343531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31734013885.

The product of its digits is 7776000, while the sum is 48.

Adding to 513424523343531 its reverse (135343325424315), we get a palindrome (648767848767846).

The spelling of 513424523343531 in words is "five hundred thirteen trillion, four hundred twenty-four billion, five hundred twenty-three million, three hundred forty-three thousand, five hundred thirty-one".