231554064 has 240 divisors, whose sum is σ = 761951232. Its totient is φ = 59228928.

The previous prime is 231554027. The next prime is 231554069. The reversal of 231554064 is 460455132.

It is not an unprimeable number, because it can be changed into a prime (231554069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2789767 + ... + 2789849.

Almost surely, 2^231554064 is an apocalyptic number.

231554064 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 231554064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380975616).

231554064 is an abundant number, since it is smaller than the sum of its proper divisors (530397168).

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

231554064 is a wasteful number, since it uses less digits than its factorization.

231554064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 231554064 is about 15216.9006042624. The cubic root of 231554064 is about 614.0694181753.

The spelling of 231554064 in words is "two hundred thirty-one million, five hundred fifty-four thousand, sixty-four".