213443404431411 has 48 divisors (see below), whose sum is σ = 376853209406208. Its totient is φ = 106058834481600.

The previous prime is 213443404431403. The next prime is 213443404431437. The reversal of 213443404431411 is 114134404344312.

It is not a de Polignac number, because 213443404431411 - 2³ = 213443404431403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213443404431411.

It is not an unprimeable number, because it can be changed into a prime (213443404431611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2869520020 + ... + 2869594401.

It is an arithmetic number, because the mean of its divisors is an integer number (7851108529296).

Almost surely, 2^{213443404431411} is an apocalyptic number.

213443404431411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213443404431411 is a deficient number, since it is larger than the sum of its proper divisors (163409804974797).

213443404431411 is a wasteful number, since it uses less digits than its factorization.

213443404431411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739114472 (or 5739114465 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 213443404431411 its reverse (114134404344312), we get a palindrome (327577808775723).

The spelling of 213443404431411 in words is "two hundred thirteen trillion, four hundred forty-three billion, four hundred four million, four hundred thirty-one thousand, four hundred eleven".