231304143342 has 16 divisors (see below), whose sum is σ = 463421313360. Its totient is φ = 76965876672.

The previous prime is 231304143319. The next prime is 231304143397. The reversal of 231304143342 is 243341403132.

It is a happy number.

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, 33872413 + ... + 33879240.

It is an arithmetic number, because the mean of its divisors is an integer number (28963832085).

Almost surely, 2^231304143342 is an apocalyptic number.

231304143342 is an abundant number, since it is smaller than the sum of its proper divisors (232117170018).

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

231304143342 is a wasteful number, since it uses less digits than its factorization.

231304143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67752227.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 231304143342 its reverse (243341403132), we get a palindrome (474645546474).

The spelling of 231304143342 in words is "two hundred thirty-one billion, three hundred four million, one hundred forty-three thousand, three hundred forty-two".