231757064 has 96 divisors (see below), whose sum is σ = 559949760. Its totient is φ = 88905600.

The previous prime is 231757027. The next prime is 231757069. The reversal of 231757064 is 460757132.

It is a super-2 number, since 2×231757064² = 107422673427800192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231757069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305774 + ... + 306530.

It is an arithmetic number, because the mean of its divisors is an integer number (5832810).

Almost surely, 2^231757064 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 231757064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279974880).

231757064 is an abundant number, since it is smaller than the sum of its proper divisors (328192696).

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

231757064 is a wasteful number, since it uses less digits than its factorization.

231757064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 231757064 is about 15223.5693580711. The cubic root of 231757064 is about 614.2488142660.

The spelling of 231757064 in words is "two hundred thirty-one million, seven hundred fifty-seven thousand, sixty-four".