213404342142 has 16 divisors (see below), whose sum is σ = 426953058192. Its totient is φ = 71110718400.

The previous prime is 213404342071. The next prime is 213404342153. The reversal of 213404342142 is 241243404312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996359 + ... + 6031842.

It is an arithmetic number, because the mean of its divisors is an integer number (26684566137).

Almost surely, 2^213404342142 is an apocalyptic number.

213404342142 is an abundant number, since it is smaller than the sum of its proper divisors (213548716050).

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

213404342142 is a wasteful number, since it uses less digits than its factorization.

213404342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12031163.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 213404342142 its reverse (241243404312), we get a palindrome (454647746454).

The spelling of 213404342142 in words is "two hundred thirteen billion, four hundred four million, three hundred forty-two thousand, one hundred forty-two".