231224032233340 has 24 divisors (see below), whose sum is σ = 485600168692800. Its totient is φ = 92483955559488.

The previous prime is 231224032233223. The next prime is 231224032233349. The reversal of 231224032233340 is 43332230422132.

It is a junction number, because it is equal to n+sod(n) for n = 231224032233296 and 231224032233305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231224032233349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353248212 + ... + 353902171.

It is an arithmetic number, because the mean of its divisors is an integer number (20233340362200).

Almost surely, 2^{231224032233340} is an apocalyptic number.

231224032233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231224032233340 is an abundant number, since it is smaller than the sum of its proper divisors (254376136459460).

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

231224032233340 is a wasteful number, since it uses less digits than its factorization.

231224032233340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707166741 (or 707166739 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 231224032233340 its reverse (43332230422132), we get a palindrome (274556262655472).

The spelling of 231224032233340 in words is "two hundred thirty-one trillion, two hundred twenty-four billion, thirty-two million, two hundred thirty-three thousand, three hundred forty".