531373016613 has 16 divisors (see below), whose sum is σ = 715858767360. Its totient is φ = 350574823536.

The previous prime is 531373016567. The next prime is 531373016633. The reversal of 531373016613 is 316610373135.

531373016613 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 531373016613 - 2¹³ = 531373008421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531373016633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545523 + ... + 1166336.

It is an arithmetic number, because the mean of its divisors is an integer number (44741172960).

Almost surely, 2^531373016613 is an apocalyptic number.

It is an amenable number.

531373016613 is a deficient number, since it is larger than the sum of its proper divisors (184485750747).

531373016613 is a wasteful number, since it uses less digits than its factorization.

531373016613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712936.

The product of its (nonzero) digits is 102060, while the sum is 39.

Adding to 531373016613 its reverse (316610373135), we get a palindrome (847983389748).

The spelling of 531373016613 in words is "five hundred thirty-one billion, three hundred seventy-three million, sixteen thousand, six hundred thirteen".