231231232332 has 60 divisors (see below), whose sum is σ = 640042021080. Its totient is φ = 72543129984.

The previous prime is 231231232307. The next prime is 231231232333. The reversal of 231231232332 is 233232132132.

231231232332 is a `hidden beast` number, since 2 + 3 + 12 + 312 + 3 + 2 + 332 = 666.

It is a super-3 number, since 3×231231232332³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 231231232296 and 231231232305.

It is not an unprimeable number, because it can be changed into a prime (231231232333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20984982 + ... + 20995997.

It is an arithmetic number, because the mean of its divisors is an integer number (10667367018).

Almost surely, 2^231231232332 is an apocalyptic number.

It is an amenable number.

231231232332 is an abundant number, since it is smaller than the sum of its proper divisors (408810788748).

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

231231232332 is a wasteful number, since it uses less digits than its factorization.

231231232332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41981012 (or 41981001 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 231231232332 its reverse (233232132132), we get a palindrome (464463364464).

The spelling of 231231232332 in words is "two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty-two".