240305002420531 has 2 divisors, whose sum is σ = 240305002420532. Its totient is φ = 240305002420530.

The previous prime is 240305002420507. The next prime is 240305002420537. The reversal of 240305002420531 is 135024200503042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240305002420531 - 2⁹ = 240305002420019 is a prime.

It is a super-2 number, since 2×240305002420531² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240305002420493 and 240305002420502.

It is not a weakly prime, because it can be changed into another prime (240305002420537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120152501210265 + 120152501210266.

It is an arithmetic number, because the mean of its divisors is an integer number (120152501210266).

Almost surely, 2^{240305002420531} is an apocalyptic number.

240305002420531 is a deficient number, since it is larger than the sum of its proper divisors (1).

240305002420531 is an equidigital number, since it uses as much as digits as its factorization.

240305002420531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 240305002420531 its reverse (135024200503042), we get a palindrome (375329202923573).

The spelling of 240305002420531 in words is "two hundred forty trillion, three hundred five billion, two million, four hundred twenty thousand, five hundred thirty-one".