531250130340 has 144 divisors (see below), whose sum is σ = 1638197503488. Its totient is φ = 139331377152.

The previous prime is 531250130329. The next prime is 531250130351. The reversal of 531250130340 is 43031052135.

531250130340 is a `hidden beast` number, since 5 + 312 + 5 + 0 + 1 + 3 + 0 + 340 = 666.

It is an interprime number because it is at equal distance from previous prime (531250130329) and next prime (531250130351).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3251892 + ... + 3411348.

It is an arithmetic number, because the mean of its divisors is an integer number (11376371552).

Almost surely, 2^531250130340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531250130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819098751744).

531250130340 is an abundant number, since it is smaller than the sum of its proper divisors (1106947373148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531250130340 is a wasteful number, since it uses less digits than its factorization.

531250130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159778 (or 159773 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 531250130340 its reverse (43031052135), we get a palindrome (574281182475).

The spelling of 531250130340 in words is "five hundred thirty-one billion, two hundred fifty million, one hundred thirty thousand, three hundred forty".