213231004342 has 8 divisors (see below), whose sum is σ = 319960705032. Its totient is φ = 106577436000.

The previous prime is 213231004339. The next prime is 213231004351. The reversal of 213231004342 is 243400132312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213231004342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19026084 + ... + 19037287.

It is an arithmetic number, because the mean of its divisors is an integer number (39995088129).

Almost surely, 2^213231004342 is an apocalyptic number.

213231004342 is a deficient number, since it is larger than the sum of its proper divisors (106729700690).

213231004342 is a wasteful number, since it uses less digits than its factorization.

213231004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38066174.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213231004342 its reverse (243400132312), we get a palindrome (456631136654).

The spelling of 213231004342 in words is "two hundred thirteen billion, two hundred thirty-one million, four thousand, three hundred forty-two".