240403221403231 has 8 divisors (see below), whose sum is σ = 241665636729600. Its totient is φ = 239140845240960.

The previous prime is 240403221403217. The next prime is 240403221403243. The reversal of 240403221403231 is 132304122304042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240403221403231 - 2⁹ = 240403221402719 is a prime.

It is a super-2 number, since 2×240403221403231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240403221403193 and 240403221403202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240403221403931) 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, 2558715 + ... + 22076083.

It is an arithmetic number, because the mean of its divisors is an integer number (30208204591200).

Almost surely, 2^{240403221403231} is an apocalyptic number.

240403221403231 is a deficient number, since it is larger than the sum of its proper divisors (1262415326369).

240403221403231 is a wasteful number, since it uses less digits than its factorization.

240403221403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19582049.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 240403221403231 its reverse (132304122304042), we get a palindrome (372707343707273).

The spelling of 240403221403231 in words is "two hundred forty trillion, four hundred three billion, two hundred twenty-one million, four hundred three thousand, two hundred thirty-one".