231339064 has 64 divisors (see below), whose sum is σ = 486505440. Its totient is φ = 102236160.

The previous prime is 231338999. The next prime is 231339089. The reversal of 231339064 is 460933132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900024 + ... + 900280.

Almost surely, 2^231339064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231339064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243252720).

231339064 is an abundant number, since it is smaller than the sum of its proper divisors (255166376).

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

231339064 is a wasteful number, since it uses less digits than its factorization.

231339064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 231339064 is about 15209.8344501181. The cubic root of 231339064 is about 613.8793030235.

The spelling of 231339064 in words is "two hundred thirty-one million, three hundred thirty-nine thousand, sixty-four".