213345543319 has 2 divisors, whose sum is σ = 213345543320. Its totient is φ = 213345543318.

The previous prime is 213345543311. The next prime is 213345543337. The reversal of 213345543319 is 913345543312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213345543319 - 2³ = 213345543311 is a prime.

It is a super-2 number, since 2×213345543319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213345543311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106672771659 + 106672771660.

It is an arithmetic number, because the mean of its divisors is an integer number (106672771660).

Almost surely, 2^213345543319 is an apocalyptic number.

213345543319 is a deficient number, since it is larger than the sum of its proper divisors (1).

213345543319 is an equidigital number, since it uses as much as digits as its factorization.

213345543319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 43.

The spelling of 213345543319 in words is "two hundred thirteen billion, three hundred forty-five million, five hundred forty-three thousand, three hundred nineteen".