240042143331 has 20 divisors (see below), whose sum is σ = 360069392584. Its totient is φ = 159364065600.

The previous prime is 240042143329. The next prime is 240042143339. The reversal of 240042143331 is 133341240042.

It is not a de Polignac number, because 240042143331 - 2¹ = 240042143329 is a prime.

It is a super-2 number, since 2×240042143331² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240042143295 and 240042143304.

It is not an unprimeable number, because it can be changed into a prime (240042143339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6128785 + ... + 6167826.

Almost surely, 2^240042143331 is an apocalyptic number.

240042143331 is a deficient number, since it is larger than the sum of its proper divisors (120027249253).

240042143331 is a wasteful number, since it uses less digits than its factorization.

240042143331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296864 (or 12296855 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 240042143331 its reverse (133341240042), we get a palindrome (373383383373).

The spelling of 240042143331 in words is "two hundred forty billion, forty-two million, one hundred forty-three thousand, three hundred thirty-one".