234531012451505 has 32 divisors (see below), whose sum is σ = 350883969631488. Its totient is φ = 146200647225600.

The previous prime is 234531012451469. The next prime is 234531012451513. The reversal of 234531012451505 is 505154210135432.

234531012451505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234531012451505 - 2³⁰ = 234529938709681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133202795 + ... + 134952015.

It is an arithmetic number, because the mean of its divisors is an integer number (10965124050984).

Almost surely, 2^{234531012451505} is an apocalyptic number.

It is an amenable number.

234531012451505 is a deficient number, since it is larger than the sum of its proper divisors (116352957179983).

234531012451505 is a wasteful number, since it uses less digits than its factorization.

234531012451505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097497.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 234531012451505 its reverse (505154210135432), we get a palindrome (739685222586937).

The spelling of 234531012451505 in words is "two hundred thirty-four trillion, five hundred thirty-one billion, twelve million, four hundred fifty-one thousand, five hundred five".