234531516 has 24 divisors (see below), whose sum is σ = 576042880. Its totient is φ = 74062512.

The previous prime is 234531511. The next prime is 234531569. The reversal of 234531516 is 615135432.

234531516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234531511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514096 + ... + 514551.

Almost surely, 2^234531516 is an apocalyptic number.

It is an amenable number.

234531516 is an abundant number, since it is smaller than the sum of its proper divisors (341511364).

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

234531516 is a wasteful number, since it uses less digits than its factorization.

234531516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028673 (or 1028671 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 234531516 is about 15314.4218304185. The cubic root of 234531516 is about 616.6902330739.

Adding to 234531516 its reverse (615135432), we get a palindrome (849666948).

The spelling of 234531516 in words is "two hundred thirty-four million, five hundred thirty-one thousand, five hundred sixteen".