231332173152 has 192 divisors, whose sum is σ = 657352946880. Its totient is φ = 71071064064.

The previous prime is 231332173141. The next prime is 231332173153. The reversal of 231332173152 is 251371233132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332173153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5438238 + ... + 5480610.

It is an arithmetic number, because the mean of its divisors is an integer number (3423713265).

Almost surely, 2^231332173152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231332173152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328676473440).

231332173152 is an abundant number, since it is smaller than the sum of its proper divisors (426020773728).

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

231332173152 is a wasteful number, since it uses less digits than its factorization.

231332173152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42505 (or 42497 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The spelling of 231332173152 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred seventy-three thousand, one hundred fifty-two".