231622063288 has 96 divisors (see below), whose sum is σ = 550854420480. Its totient is φ = 89365953600.

The previous prime is 231622063223. The next prime is 231622063313. The reversal of 231622063288 is 882360226132.

231622063288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531993 + ... + 863863.

It is an arithmetic number, because the mean of its divisors is an integer number (5738066880).

Almost surely, 2^231622063288 is an apocalyptic number.

231622063288 is a gapful number since it is divisible by the number (28) 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 231622063288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275427210240).

231622063288 is an abundant number, since it is smaller than the sum of its proper divisors (319232357192).

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

231622063288 is a wasteful number, since it uses less digits than its factorization.

231622063288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332009 (or 331994 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 231622063288 in words is "two hundred thirty-one billion, six hundred twenty-two million, sixty-three thousand, two hundred eighty-eight".