8520351131 has 8 divisors (see below), whose sum is σ = 8604079440. Its totient is φ = 8436724128.

The previous prime is 8520351101. The next prime is 8520351167. The reversal of 8520351131 is 1311530258.

It is a happy number.

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 8520351131 - 2¹⁴ = 8520334747 is a prime.

It is a super-2 number, since 2×8520351131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8520351094 and 8520351103.

It is not an unprimeable number, because it can be changed into a prime (8520351101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149600 + ... + 198546.

It is an arithmetic number, because the mean of its divisors is an integer number (1075509930).

Almost surely, 2^8520351131 is an apocalyptic number.

8520351131 is a deficient number, since it is larger than the sum of its proper divisors (83728309).

8520351131 is a wasteful number, since it uses less digits than its factorization.

8520351131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50653.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 8520351131 is about 92305.7480929546. The cubic root of 8520351131 is about 2042.4550037404.

Adding to 8520351131 its reverse (1311530258), we get a palindrome (9831881389).

The spelling of 8520351131 in words is "eight billion, five hundred twenty million, three hundred fifty-one thousand, one hundred thirty-one".