531020014230313 has 4 divisors (see below), whose sum is σ = 532524320219988. Its totient is φ = 529515708240640.

The previous prime is 531020014230281. The next prime is 531020014230331. The reversal of 531020014230313 is 313032410020135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191310585891049 + 339709428339264 = 13831507^2 + 18431208^2 .

It is a cyclic number.

It is not a de Polignac number, because 531020014230313 - 2⁵ = 531020014230281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531020014230373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752152994308 + ... + 752152995013.

It is an arithmetic number, because the mean of its divisors is an integer number (133131080054997).

Almost surely, 2^{531020014230313} is an apocalyptic number.

It is an amenable number.

531020014230313 is a deficient number, since it is larger than the sum of its proper divisors (1504305989675).

531020014230313 is a wasteful number, since it uses less digits than its factorization.

531020014230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504305989674.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 531020014230313 its reverse (313032410020135), we get a palindrome (844052424250448).

The spelling of 531020014230313 in words is "five hundred thirty-one trillion, twenty billion, fourteen million, two hundred thirty thousand, three hundred thirteen".