234405124112531 has 16 divisors (see below), whose sum is σ = 240872509740768. Its totient is φ = 227944721030400.

The previous prime is 234405124112503. The next prime is 234405124112573. The reversal of 234405124112531 is 135211421504432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234405124112531 is a prime.

It is a super-2 number, since 2×234405124112531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234405124112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588742316 + ... + 589140326.

It is an arithmetic number, because the mean of its divisors is an integer number (15054531858798).

Almost surely, 2^{234405124112531} is an apocalyptic number.

234405124112531 is a deficient number, since it is larger than the sum of its proper divisors (6467385628237).

234405124112531 is a wasteful number, since it uses less digits than its factorization.

234405124112531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406742.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 234405124112531 its reverse (135211421504432), we get a palindrome (369616545616963).

The spelling of 234405124112531 in words is "two hundred thirty-four trillion, four hundred five billion, one hundred twenty-four million, one hundred twelve thousand, five hundred thirty-one".