240131431027 has 2 divisors, whose sum is σ = 240131431028. Its totient is φ = 240131431026.

The previous prime is 240131430991. The next prime is 240131431079. The reversal of 240131431027 is 720134131042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240131431027 - 2⁷ = 240131430899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240131430986 and 240131431004.

It is not a weakly prime, because it can be changed into another prime (240131431097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120065715513 + 120065715514.

It is an arithmetic number, because the mean of its divisors is an integer number (120065715514).

Almost surely, 2^240131431027 is an apocalyptic number.

240131431027 is a deficient number, since it is larger than the sum of its proper divisors (1).

240131431027 is an equidigital number, since it uses as much as digits as its factorization.

240131431027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 240131431027 its reverse (720134131042), we get a palindrome (960265562069).

The spelling of 240131431027 in words is "two hundred forty billion, one hundred thirty-one million, four hundred thirty-one thousand, twenty-seven".