240331322231 has 32 divisors (see below), whose sum is σ = 330186920448. Its totient is φ = 168845523840.

The previous prime is 240331322191. The next prime is 240331322237. The reversal of 240331322231 is 132223133042.

It is a happy number.

It is not a de Polignac number, because 240331322231 - 2⁶ = 240331322167 is a prime.

It is a super-2 number, since 2×240331322231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240331322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240331322237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2748716 + ... + 2834801.

It is an arithmetic number, because the mean of its divisors is an integer number (10318341264).

Almost surely, 2^240331322231 is an apocalyptic number.

240331322231 is a deficient number, since it is larger than the sum of its proper divisors (89855598217).

240331322231 is a wasteful number, since it uses less digits than its factorization.

240331322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583591.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 240331322231 its reverse (132223133042), we get a palindrome (372554455273).

The spelling of 240331322231 in words is "two hundred forty billion, three hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty-one".