231310030032 has 240 divisors, whose sum is σ = 685330167808. Its totient is φ = 72714620160.

The previous prime is 231310029949. The next prime is 231310030073. The reversal of 231310030032 is 230030013132.

231310030032 is a `hidden beast` number, since 23 + 1 + 310 + 0 + 300 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231310029987 and 231310030014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104996643 + ... + 104998845.

Almost surely, 2^231310030032 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 231310030032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342665083904).

231310030032 is an abundant number, since it is smaller than the sum of its proper divisors (454020137776).

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

231310030032 is a wasteful number, since it uses less digits than its factorization.

231310030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231310030032 its reverse (230030013132), we get a palindrome (461340043164).

The spelling of 231310030032 in words is "two hundred thirty-one billion, three hundred ten million, thirty thousand, thirty-two".