3213145343 has 2 divisors, whose sum is σ = 3213145344. Its totient is φ = 3213145342.

The previous prime is 3213145321. The next prime is 3213145387. The reversal of 3213145343 is 3435413123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213145343 - 2²⁴ = 3196368127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213145303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606572671 + 1606572672.

It is an arithmetic number, because the mean of its divisors is an integer number (1606572672).

Almost surely, 2^3213145343 is an apocalyptic number.

3213145343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213145343 is an equidigital number, since it uses as much as digits as its factorization.

3213145343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 3213145343 is about 56684.6129297890. The cubic root of 3213145343 is about 1475.6276701234.

Adding to 3213145343 its reverse (3435413123), we get a palindrome (6648558466).

The spelling of 3213145343 in words is "three billion, two hundred thirteen million, one hundred forty-five thousand, three hundred forty-three".