4312324421 has 2 divisors, whose sum is σ = 4312324422. Its totient is φ = 4312324420.

The previous prime is 4312324411. The next prime is 4312324427. The reversal of 4312324421 is 1244232134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3634763521 + 677560900 = 60289^2 + 26030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312324421 - 2²² = 4308130117 is a prime.

It is a super-2 number, since 2×4312324421² = 37192283823905970482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312324427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156162210 + 2156162211.

It is an arithmetic number, because the mean of its divisors is an integer number (2156162211).

Almost surely, 2^4312324421 is an apocalyptic number.

It is an amenable number.

4312324421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312324421 is an equidigital number, since it uses as much as digits as its factorization.

4312324421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 4312324421 is about 65668.2908335522. The cubic root of 4312324421 is about 1627.6854274362.

Adding to 4312324421 its reverse (1244232134), we get a palindrome (5556556555).

The spelling of 4312324421 in words is "four billion, three hundred twelve million, three hundred twenty-four thousand, four hundred twenty-one".