231470064 has 120 divisors (see below), whose sum is σ = 743905760. Its totient is φ = 65816064.

The previous prime is 231470053. The next prime is 231470069. The reversal of 231470064 is 460074132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231470069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278802 + ... + 279630.

Almost surely, 2^231470064 is an apocalyptic number.

231470064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231470064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371952880).

231470064 is an abundant number, since it is smaller than the sum of its proper divisors (512435696).

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

231470064 is a wasteful number, since it uses less digits than its factorization.

231470064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 231470064 is about 15214.1402648983. The cubic root of 231470064 is about 613.9951546407.

The spelling of 231470064 in words is "two hundred thirty-one million, four hundred seventy thousand, sixty-four".