3213511404343 has 2 divisors, whose sum is σ = 3213511404344. Its totient is φ = 3213511404342.

The previous prime is 3213511404227. The next prime is 3213511404443. The reversal of 3213511404343 is 3434041153123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3213511404343 - 2²¹ = 3213509307191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213511404299 and 3213511404308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213511404443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606755702171 + 1606755702172.

It is an arithmetic number, because the mean of its divisors is an integer number (1606755702172).

Almost surely, 2^{3213511404343} is an apocalyptic number.

3213511404343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213511404343 is an equidigital number, since it uses as much as digits as its factorization.

3213511404343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 3213511404343 its reverse (3434041153123), we get a palindrome (6647552557466).

The spelling of 3213511404343 in words is "three trillion, two hundred thirteen billion, five hundred eleven million, four hundred four thousand, three hundred forty-three".