231582517064 has 16 divisors (see below), whose sum is σ = 439448753520. Its totient is φ = 114396182800.

The previous prime is 231582517063. The next prime is 231582517081. The reversal of 231582517064 is 460715285132.

It is not an unprimeable number, because it can be changed into a prime (231582517063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174383762 + ... + 174385089.

It is an arithmetic number, because the mean of its divisors is an integer number (27465547095).

Almost surely, 2^231582517064 is an apocalyptic number.

It is an amenable number.

231582517064 is a deficient number, since it is larger than the sum of its proper divisors (207866236456).

231582517064 is a wasteful number, since it uses less digits than its factorization.

231582517064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348768940 (or 348768936 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 231582517064 in words is "two hundred thirty-one billion, five hundred eighty-two million, five hundred seventeen thousand, sixty-four".