3121044343 has 2 divisors, whose sum is σ = 3121044344. Its totient is φ = 3121044342.

The previous prime is 3121044301. The next prime is 3121044371. The reversal of 3121044343 is 3434401213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121044343 - 2¹³ = 3121036151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121042343) 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, 1560522171 + 1560522172.

It is an arithmetic number, because the mean of its divisors is an integer number (1560522172).

Almost surely, 2^3121044343 is an apocalyptic number.

3121044343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121044343 is an equidigital number, since it uses as much as digits as its factorization.

3121044343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3121044343 is about 55866.3077623714. The cubic root of 3121044343 is about 1461.3917333751.

Adding to 3121044343 its reverse (3434401213), we get a palindrome (6555445556).

The spelling of 3121044343 in words is "three billion, one hundred twenty-one million, forty-four thousand, three hundred forty-three".