5320520223131 has 2 divisors, whose sum is σ = 5320520223132. Its totient is φ = 5320520223130.

The previous prime is 5320520223107. The next prime is 5320520223163. The reversal of 5320520223131 is 1313220250235.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5320520223131 is a prime.

It is a super-4 number, since 4×5320520223131⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5320520223094 and 5320520223103.

It is not a weakly prime, because it can be changed into another prime (5320520223181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660260111565 + 2660260111566.

It is an arithmetic number, because the mean of its divisors is an integer number (2660260111566).

Almost surely, 2^{5320520223131} is an apocalyptic number.

5320520223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5320520223131 is an equidigital number, since it uses as much as digits as its factorization.

5320520223131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 5320520223131 its reverse (1313220250235), we get a palindrome (6633740473366).

The spelling of 5320520223131 in words is "five trillion, three hundred twenty billion, five hundred twenty million, two hundred twenty-three thousand, one hundred thirty-one".