231430116 has 48 divisors (see below), whose sum is σ = 557706240. Its totient is φ = 74638080.

The previous prime is 231430099. The next prime is 231430123. The reversal of 231430116 is 611034132.

It is a junction number, because it is equal to n+sod(n) for n = 231430092 and 231430101.

It is an unprimeable number.

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, 83440 + ... + 86168.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880).

Almost surely, 2^231430116 is an apocalyptic number.

It is an amenable number.

231430116 is an abundant number, since it is smaller than the sum of its proper divisors (326276124).

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

231430116 is a wasteful number, since it uses less digits than its factorization.

231430116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 231430116 is about 15212.8273506275. The cubic root of 231430116 is about 613.9598307213.

Adding to 231430116 its reverse (611034132), we get a palindrome (842464248).

The spelling of 231430116 in words is "two hundred thirty-one million, four hundred thirty thousand, one hundred sixteen".