234431434242 has 24 divisors (see below), whose sum is σ = 530018895744. Its totient is φ = 74746254264.

The previous prime is 234431434231. The next prime is 234431434271. The reversal of 234431434242 is 242434134432.

234431434242 is a `hidden beast` number, since 2 + 344 + 31 + 43 + 4 + 242 = 666.

It is a super-2 number, since 2×234431434242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234431434197 and 234431434206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283129338 + ... + 283130165.

It is an arithmetic number, because the mean of its divisors is an integer number (22084120656).

Almost surely, 2^234431434242 is an apocalyptic number.

234431434242 is an abundant number, since it is smaller than the sum of its proper divisors (295587461502).

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

234431434242 is a wasteful number, since it uses less digits than its factorization.

234431434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566259534 (or 566259531 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 234431434242 its reverse (242434134432), we get a palindrome (476865568674).

The spelling of 234431434242 in words is "two hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-four thousand, two hundred forty-two".