513552423331 has 2 divisors, whose sum is σ = 513552423332. Its totient is φ = 513552423330.

The previous prime is 513552423323. The next prime is 513552423361. The reversal of 513552423331 is 133324255315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513552423331 - 2³ = 513552423323 is a prime.

It is a super-2 number, since 2×513552423331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513552423361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256776211665 + 256776211666.

It is an arithmetic number, because the mean of its divisors is an integer number (256776211666).

Almost surely, 2^513552423331 is an apocalyptic number.

513552423331 is a deficient number, since it is larger than the sum of its proper divisors (1).

513552423331 is an equidigital number, since it uses as much as digits as its factorization.

513552423331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 37.

Adding to 513552423331 its reverse (133324255315), we get a palindrome (646876678646).

The spelling of 513552423331 in words is "five hundred thirteen billion, five hundred fifty-two million, four hundred twenty-three thousand, three hundred thirty-one".