521331130251332 has 48 divisors (see below), whose sum is σ = 946932264136320. Its totient is φ = 250839043660800.

The previous prime is 521331130251307. The next prime is 521331130251383. The reversal of 521331130251332 is 233152031133125.

It is a super-2 number, since 2×521331130251332² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521331130251292 and 521331130251301.

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 15 ways as a sum of consecutive naturals, for example, 495228857 + ... + 496280447.

It is an arithmetic number, because the mean of its divisors is an integer number (19727755502840).

Almost surely, 2^{521331130251332} is an apocalyptic number.

It is an amenable number.

521331130251332 is a deficient number, since it is larger than the sum of its proper divisors (425601133884988).

521331130251332 is a wasteful number, since it uses less digits than its factorization.

521331130251332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065852 (or 1065850 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 521331130251332 its reverse (233152031133125), we get a palindrome (754483161384457).

The spelling of 521331130251332 in words is "five hundred twenty-one trillion, three hundred thirty-one billion, one hundred thirty million, two hundred fifty-one thousand, three hundred thirty-two".