231141133120 has 56 divisors (see below), whose sum is σ = 550519421184. Its totient is φ = 92437203456.

The previous prime is 231141133117. The next prime is 231141133121. The reversal of 231141133120 is 21331141132.

It is a junction number, because it is equal to n+sod(n) for n = 231141133091 and 231141133100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231141133121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516729 + ... + 1662151.

Almost surely, 2^231141133120 is an apocalyptic number.

231141133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231141133120 is an abundant number, since it is smaller than the sum of its proper divisors (319378288064).

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

231141133120 is a wasteful number, since it uses less digits than its factorization.

231141133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150407 (or 150397 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231141133120 its reverse (21331141132), we get a palindrome (252472274252).

The spelling of 231141133120 in words is "two hundred thirty-one billion, one hundred forty-one million, one hundred thirty-three thousand, one hundred twenty".