5520420131 has 2 divisors, whose sum is σ = 5520420132. Its totient is φ = 5520420130.

The previous prime is 5520420121. The next prime is 5520420133. The reversal of 5520420131 is 1310240255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5520420131 - 2³⁰ = 4446678307 is a prime.

It is a super-2 number, since 2×5520420131² = 60950076845500114322, which contains 22 as substring.

Together with 5520420133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5520420097 and 5520420106.

It is not a weakly prime, because it can be changed into another prime (5520420133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760210065 + 2760210066.

It is an arithmetic number, because the mean of its divisors is an integer number (2760210066).

Almost surely, 2^5520420131 is an apocalyptic number.

5520420131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520420131 is an equidigital number, since it uses as much as digits as its factorization.

5520420131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5520420131 is about 74299.5298168165. The cubic root of 5520420131 is about 1767.3560204335.

Adding to 5520420131 its reverse (1310240255), we get a palindrome (6830660386).

The spelling of 5520420131 in words is "five billion, five hundred twenty million, four hundred twenty thousand, one hundred thirty-one".