211341402342 has 32 divisors (see below), whose sum is σ = 536740070400. Its totient is φ = 60383257704.

The previous prime is 211341402331. The next prime is 211341402343. The reversal of 211341402342 is 243204143112.

211341402342 is a `hidden beast` number, since 2 + 1 + 13 + 414 + 0 + 234 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211341402343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279551742 + ... + 279552497.

It is an arithmetic number, because the mean of its divisors is an integer number (16773127200).

Almost surely, 2^211341402342 is an apocalyptic number.

211341402342 is an abundant number, since it is smaller than the sum of its proper divisors (325398668058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211341402342 is a wasteful number, since it uses less digits than its factorization.

211341402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559104257 (or 559104251 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211341402342 its reverse (243204143112), we get a palindrome (454545545454).

The spelling of 211341402342 in words is "two hundred eleven billion, three hundred forty-one million, four hundred two thousand, three hundred forty-two".