240350321231 has 4 divisors (see below), whose sum is σ = 241076455464. Its totient is φ = 239624187000.

The previous prime is 240350321221. The next prime is 240350321257. The reversal of 240350321231 is 132123053042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132123053042 = 2 ⋅66061526521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240350321231 is a prime.

It is a super-3 number, since 3×240350321231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240350321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240350321201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363066620 + ... + 363067281.

It is an arithmetic number, because the mean of its divisors is an integer number (60269113866).

Almost surely, 2^240350321231 is an apocalyptic number.

240350321231 is a deficient number, since it is larger than the sum of its proper divisors (726134233).

240350321231 is an equidigital number, since it uses as much as digits as its factorization.

240350321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726134232.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 240350321231 its reverse (132123053042), we get a palindrome (372473374273).

The spelling of 240350321231 in words is "two hundred forty billion, three hundred fifty million, three hundred twenty-one thousand, two hundred thirty-one".