240554131534231 has 16 divisors (see below), whose sum is σ = 252770767704000. Its totient is φ = 228484869009408.

The previous prime is 240554131534217. The next prime is 240554131534247. The reversal of 240554131534231 is 132435131455042.

It is a cyclic number.

It is not a de Polignac number, because 240554131534231 - 2⁹ = 240554131533719 is a prime.

It is a super-2 number, since 2×240554131534231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240554131534271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694725 + ... + 21999553.

It is an arithmetic number, because the mean of its divisors is an integer number (15798172981500).

Almost surely, 2^{240554131534231} is an apocalyptic number.

240554131534231 is a deficient number, since it is larger than the sum of its proper divisors (12216636169769).

240554131534231 is a wasteful number, since it uses less digits than its factorization.

240554131534231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20308458.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 240554131534231 its reverse (132435131455042), we get a palindrome (372989262989273).

The spelling of 240554131534231 in words is "two hundred forty trillion, five hundred fifty-four billion, one hundred thirty-one million, five hundred thirty-four thousand, two hundred thirty-one".