240531039999947 has 2 divisors, whose sum is σ = 240531039999948. Its totient is φ = 240531039999946.

The previous prime is 240531039999941. The next prime is 240531040000001. The reversal of 240531039999947 is 749999930135042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240531039999947 - 2³⁶ = 240462320523211 is a prime.

It is a super-2 number, since 2×240531039999947² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240531039999941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120265519999973 + 120265519999974.

It is an arithmetic number, because the mean of its divisors is an integer number (120265519999974).

Almost surely, 2^{240531039999947} is an apocalyptic number.

240531039999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

240531039999947 is an equidigital number, since it uses as much as digits as its factorization.

240531039999947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 595213920, while the sum is 74.

The spelling of 240531039999947 in words is "two hundred forty trillion, five hundred thirty-one billion, thirty-nine million, nine hundred ninety-nine thousand, nine hundred forty-seven".