240253105443131 has 4 divisors (see below), whose sum is σ = 262094296847064. Its totient is φ = 218411914039200.

The previous prime is 240253105443019. The next prime is 240253105443187. The reversal of 240253105443131 is 131344501352042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240253105443131 - 2¹⁸ = 240253105180987 is a prime.

It is a super-2 number, since 2×240253105443131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240253105443931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10920595701950 + ... + 10920595701971.

It is an arithmetic number, because the mean of its divisors is an integer number (65523574211766).

Almost surely, 2^{240253105443131} is an apocalyptic number.

240253105443131 is a deficient number, since it is larger than the sum of its proper divisors (21841191403933).

240253105443131 is a wasteful number, since it uses less digits than its factorization.

240253105443131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21841191403932.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 240253105443131 its reverse (131344501352042), we get a palindrome (371597606795173).

The spelling of 240253105443131 in words is "two hundred forty trillion, two hundred fifty-three billion, one hundred five million, four hundred forty-three thousand, one hundred thirty-one".