231533525125122 has 16 divisors (see below), whose sum is σ = 505164054818592. Its totient is φ = 70161674280320.

The previous prime is 231533525125093. The next prime is 231533525125141. The reversal of 231533525125122 is 221521525335132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754041856943 + ... + 1754041857074.

It is an arithmetic number, because the mean of its divisors is an integer number (31572753426162).

Almost surely, 2^{231533525125122} is an apocalyptic number.

231533525125122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231533525125122 is an abundant number, since it is smaller than the sum of its proper divisors (273630529693470).

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

231533525125122 is a wasteful number, since it uses less digits than its factorization.

231533525125122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508083714033.

The product of its digits is 540000, while the sum is 42.

The spelling of 231533525125122 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-two".