231613324050 has 192 divisors, whose sum is σ = 625874227200. Its totient is φ = 56467756800.

The previous prime is 231613324027. The next prime is 231613324087. The reversal of 231613324050 is 50423316132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 231613323999 and 231613324017.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33481192 + ... + 33488108.

It is an arithmetic number, because the mean of its divisors is an integer number (3259761600).

Almost surely, 2^231613324050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231613324050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312937113600).

231613324050 is an abundant number, since it is smaller than the sum of its proper divisors (394260903150).

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

231613324050 is a wasteful number, since it uses less digits than its factorization.

231613324050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 231613324050 in words is "two hundred thirty-one billion, six hundred thirteen million, three hundred twenty-four thousand, fifty".