240002064331 has 4 divisors (see below), whose sum is σ = 243936524464. Its totient is φ = 236067604200.

The previous prime is 240002064317. The next prime is 240002064353. The reversal of 240002064331 is 133460200042.

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 240002064331 - 2¹⁹ = 240001540043 is a prime.

It is a super-2 number, since 2×240002064331² (a number of 24 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 = 240002064296 and 240002064305.

It is not an unprimeable number, because it can be changed into a prime (240002064301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967229975 + ... + 1967230096.

It is an arithmetic number, because the mean of its divisors is an integer number (60984131116).

Almost surely, 2^240002064331 is an apocalyptic number.

240002064331 is a deficient number, since it is larger than the sum of its proper divisors (3934460133).

240002064331 is an equidigital number, since it uses as much as digits as its factorization.

240002064331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934460132.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 240002064331 its reverse (133460200042), we get a palindrome (373462264373).

The spelling of 240002064331 in words is "two hundred forty billion, two million, sixty-four thousand, three hundred thirty-one".