31440413340227 has 2 divisors, whose sum is σ = 31440413340228. Its totient is φ = 31440413340226.

The previous prime is 31440413340199. The next prime is 31440413340251. The reversal of 31440413340227 is 72204331404413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31440413340227 - 2³⁴ = 31423233471043 is a prime.

It is not a weakly prime, because it can be changed into another prime (31440413300227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720206670113 + 15720206670114.

It is an arithmetic number, because the mean of its divisors is an integer number (15720206670114).

Almost surely, 2^{31440413340227} is an apocalyptic number.

31440413340227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31440413340227 is an equidigital number, since it uses as much as digits as its factorization.

31440413340227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 31440413340227 in words is "thirty-one trillion, four hundred forty billion, four hundred thirteen million, three hundred forty thousand, two hundred twenty-seven".