531315103013 has 8 divisors (see below), whose sum is σ = 577773499032. Its totient is φ = 486546103296.

The previous prime is 531315102961. The next prime is 531315103031. The reversal of 531315103013 is 310301513135.

It can be written as a sum of positive squares in 4 ways, for example, as 323421964804 + 207893138209 = 568702^2 + 455953^2 .

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 531315103013 - 2⁶ = 531315102949 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 (531315103043) 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, 422348420 + ... + 422349677.

It is an arithmetic number, because the mean of its divisors is an integer number (72221687379).

Almost surely, 2^531315103013 is an apocalyptic number.

It is an amenable number.

531315103013 is a deficient number, since it is larger than the sum of its proper divisors (46458396019).

531315103013 is a wasteful number, since it uses less digits than its factorization.

531315103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844698151.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 531315103013 its reverse (310301513135), we get a palindrome (841616616148).

The spelling of 531315103013 in words is "five hundred thirty-one billion, three hundred fifteen million, one hundred three thousand, thirteen".