211442405343 has 32 divisors (see below), whose sum is σ = 313536233472. Its totient is φ = 125867692800.

The previous prime is 211442405327. The next prime is 211442405359. The reversal of 211442405343 is 343504244112.

It is an interprime number because it is at equal distance from previous prime (211442405327) and next prime (211442405359).

It is not a de Polignac number, because 211442405343 - 2⁴ = 211442405327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211442405323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915346 + ... + 2986992.

It is an arithmetic number, because the mean of its divisors is an integer number (9798007296).

Almost surely, 2^211442405343 is an apocalyptic number.

211442405343 is a deficient number, since it is larger than the sum of its proper divisors (102093828129).

211442405343 is a wasteful number, since it uses less digits than its factorization.

211442405343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74135.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 211442405343 its reverse (343504244112), we get a palindrome (554946649455).

The spelling of 211442405343 in words is "two hundred eleven billion, four hundred forty-two million, four hundred five thousand, three hundred forty-three".