3103440421 has 2 divisors, whose sum is σ = 3103440422. Its totient is φ = 3103440420.

The previous prime is 3103440397. The next prime is 3103440427. The reversal of 3103440421 is 1240443013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3034467396 + 68973025 = 55086^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103440421 - 2²⁷ = 2969222693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3103440392 and 3103440401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103440427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551720210 + 1551720211.

It is an arithmetic number, because the mean of its divisors is an integer number (1551720211).

Almost surely, 2^3103440421 is an apocalyptic number.

It is an amenable number.

3103440421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103440421 is an equidigital number, since it uses as much as digits as its factorization.

3103440421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3103440421 is about 55708.5309535263. The cubic root of 3103440421 is about 1458.6389425268.

Adding to 3103440421 its reverse (1240443013), we get a palindrome (4343883434).

The spelling of 3103440421 in words is "three billion, one hundred three million, four hundred forty thousand, four hundred twenty-one".