234531031045 has 4 divisors (see below), whose sum is σ = 281437237260. Its totient is φ = 187624824832.

The previous prime is 234531031037. The next prime is 234531031067. The reversal of 234531031045 is 540130135432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77969951361 + 156561079684 = 279231^2 + 395678^2 .

It is a cyclic number.

It is not a de Polignac number, because 234531031045 - 2³ = 234531031037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234531030998 and 234531031016.

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, 23453103100 + ... + 23453103109.

It is an arithmetic number, because the mean of its divisors is an integer number (70359309315).

Almost surely, 2^234531031045 is an apocalyptic number.

It is an amenable number.

234531031045 is a deficient number, since it is larger than the sum of its proper divisors (46906206215).

234531031045 is an equidigital number, since it uses as much as digits as its factorization.

234531031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46906206214.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 234531031045 its reverse (540130135432), we get a palindrome (774661166477).

The spelling of 234531031045 in words is "two hundred thirty-four billion, five hundred thirty-one million, thirty-one thousand, forty-five".