231532533125050 has 48 divisors (see below), whose sum is σ = 438882280595640. Its totient is φ = 90843586928640.

The previous prime is 231532533124979. The next prime is 231532533125087. The reversal of 231532533125050 is 50521335235132.

It can be written as a sum of positive squares in 12 ways, for example, as 82554323855481 + 148978209269569 = 9085941^2 + 12205663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231532533124994 and 231532533125012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361714 + ... + 21521986.

Almost surely, 2^{231532533125050} is an apocalyptic number.

231532533125050 is a deficient number, since it is larger than the sum of its proper divisors (207349747470590).

231532533125050 is a wasteful number, since it uses less digits than its factorization.

231532533125050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21164467 (or 21164462 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 231532533125050 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, five hundred thirty-three million, one hundred twenty-five thousand, fifty".