5310120421 has 2 divisors, whose sum is σ = 5310120422. Its totient is φ = 5310120420.

The previous prime is 5310120367. The next prime is 5310120451. The reversal of 5310120421 is 1240210135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5310036900 + 83521 = 72870^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 5310120421 - 2¹⁹ = 5309596133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5310120451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655060210 + 2655060211.

It is an arithmetic number, because the mean of its divisors is an integer number (2655060211).

Almost surely, 2^5310120421 is an apocalyptic number.

It is an amenable number.

5310120421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5310120421 is an equidigital number, since it uses as much as digits as its factorization.

5310120421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5310120421 is about 72870.5730799477. The cubic root of 5310120421 is about 1744.6224497155.

Adding to 5310120421 its reverse (1240210135), we get a palindrome (6550330556).

The spelling of 5310120421 in words is "five billion, three hundred ten million, one hundred twenty thousand, four hundred twenty-one".