231303342032 has 60 divisors (see below), whose sum is σ = 521981412480. Its totient is φ = 99003780288.

The previous prime is 231303342013. The next prime is 231303342037. The reversal of 231303342032 is 230243303132.

It is a super-3 number, since 3×231303342032³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231303341992 and 231303342010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303342037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429569 + ... + 804447.

It is an arithmetic number, because the mean of its divisors is an integer number (8699690208).

Almost surely, 2^231303342032 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 231303342032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260990706240).

231303342032 is an abundant number, since it is smaller than the sum of its proper divisors (290678070448).

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

231303342032 is a wasteful number, since it uses less digits than its factorization.

231303342032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375688 (or 375675 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 231303342032 its reverse (230243303132), we get a palindrome (461546645164).

The spelling of 231303342032 in words is "two hundred thirty-one billion, three hundred three million, three hundred forty-two thousand, thirty-two".