231533525125120 has 384 divisors, whose sum is σ = 583552517184000. Its totient is φ = 87999324880896.

The previous prime is 231533525125093. The next prime is 231533525125141. The reversal of 231533525125120 is 21521525335132.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 31729957312 + ... + 31729964608.

It is an arithmetic number, because the mean of its divisors is an integer number (1519668013500).

Almost surely, 2^{231533525125120} is an apocalyptic number.

231533525125120 is a gapful number since it is divisible by the number (20) 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 231533525125120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291776258592000).

231533525125120 is an abundant number, since it is smaller than the sum of its proper divisors (352018992058880).

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

231533525125120 is a wasteful number, since it uses less digits than its factorization.

231533525125120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223 (or 8203 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 231533525125120 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred twenty-five million, one hundred twenty-five thousand, one hundred twenty".