231555008048 has 160 divisors (see below), whose sum is σ = 567769910400. Its totient is φ = 89048014848.

The previous prime is 231555008039. The next prime is 231555008071. The reversal of 231555008048 is 840800555132.

It is a junction number, because it is equal to n+sod(n) for n = 231555007996 and 231555008014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8397548 + ... + 8425076.

It is an arithmetic number, because the mean of its divisors is an integer number (3548561940).

Almost surely, 2^231555008048 is an apocalyptic number.

231555008048 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 231555008048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283884955200).

231555008048 is an abundant number, since it is smaller than the sum of its proper divisors (336214902352).

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

231555008048 is a wasteful number, since it uses less digits than its factorization.

231555008048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719 (or 27713 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 231555008048 in words is "two hundred thirty-one billion, five hundred fifty-five million, eight thousand, forty-eight".