231280064 has 28 divisors (see below), whose sum is σ = 459815184. Its totient is φ = 115421184.

The previous prime is 231280051. The next prime is 231280079. The reversal of 231280064 is 460082132.

231280064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33797 + ... + 40059.

Almost surely, 2^231280064 is an apocalyptic number.

It is an amenable number.

231280064 is a deficient number, since it is larger than the sum of its proper divisors (228535120).

231280064 is an equidigital number, since it uses as much as digits as its factorization.

231280064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 231280064 is about 15207.8947918507. The cubic root of 231280064 is about 613.8271112928.

The spelling of 231280064 in words is "two hundred thirty-one million, two hundred eighty thousand, sixty-four".