231551425140234 has 8 divisors (see below), whose sum is σ = 463102850280480. Its totient is φ = 77183808380076.

The previous prime is 231551425140229. The next prime is 231551425140263. The reversal of 231551425140234 is 432041524155132.

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

231551425140234 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19295952095014 + ... + 19295952095025.

It is an arithmetic number, because the mean of its divisors is an integer number (57887856285060).

Almost surely, 2^{231551425140234} is an apocalyptic number.

231551425140234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231551425140234 is a wasteful number, since it uses less digits than its factorization.

231551425140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38591904190044.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 231551425140234 its reverse (432041524155132), we get a palindrome (663592949295366).

The spelling of 231551425140234 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, four hundred twenty-five million, one hundred forty thousand, two hundred thirty-four".