231085616 has 10 divisors (see below), whose sum is σ = 447728412. Its totient is φ = 115542800.

The previous prime is 231085597. The next prime is 231085639. The reversal of 231085616 is 616580132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221410 + ... + 7221441.

Almost surely, 2^231085616 is an apocalyptic number.

It is an amenable number.

231085616 is a deficient number, since it is larger than the sum of its proper divisors (216642796).

231085616 is a wasteful number, since it uses less digits than its factorization.

231085616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14442859 (or 14442853 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 231085616 is about 15201.5004522580. The cubic root of 231085616 is about 613.6550386442.

The spelling of 231085616 in words is "two hundred thirty-one million, eighty-five thousand, six hundred sixteen".