240231132331 has 2 divisors, whose sum is σ = 240231132332. Its totient is φ = 240231132330.

The previous prime is 240231132293. The next prime is 240231132391. The reversal of 240231132331 is 133231132042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240231132331 - 2¹¹ = 240231130283 is a prime.

It is a super-2 number, since 2×240231132331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240231132296 and 240231132305.

It is not a weakly prime, because it can be changed into another prime (240231132391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120115566165 + 120115566166.

It is an arithmetic number, because the mean of its divisors is an integer number (120115566166).

Almost surely, 2^240231132331 is an apocalyptic number.

240231132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

240231132331 is an equidigital number, since it uses as much as digits as its factorization.

240231132331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 240231132331 its reverse (133231132042), we get a palindrome (373462264373).

The spelling of 240231132331 in words is "two hundred forty billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred thirty-one".