3421123313 has 2 divisors, whose sum is σ = 3421123314. Its totient is φ = 3421123312.

The previous prime is 3421123309. The next prime is 3421123357. The reversal of 3421123313 is 3133211243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3416051809 + 5071504 = 58447^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421123313 - 2² = 3421123309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3421123213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710561656 + 1710561657.

It is an arithmetic number, because the mean of its divisors is an integer number (1710561657).

Almost surely, 2^3421123313 is an apocalyptic number.

It is an amenable number.

3421123313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421123313 is an equidigital number, since it uses as much as digits as its factorization.

3421123313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 3421123313 is about 58490.3694038600. The cubic root of 3421123313 is about 1506.8021902517.

Adding to 3421123313 its reverse (3133211243), we get a palindrome (6554334556).

The spelling of 3421123313 in words is "three billion, four hundred twenty-one million, one hundred twenty-three thousand, three hundred thirteen".