31347601147 has 2 divisors, whose sum is σ = 31347601148. Its totient is φ = 31347601146.

The previous prime is 31347601123. The next prime is 31347601223. The reversal of 31347601147 is 74110674313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31347601147 - 2¹¹ = 31347599099 is a prime.

It is not a weakly prime, because it can be changed into another prime (31347601447) 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, 15673800573 + 15673800574.

It is an arithmetic number, because the mean of its divisors is an integer number (15673800574).

Almost surely, 2^31347601147 is an apocalyptic number.

31347601147 is a deficient number, since it is larger than the sum of its proper divisors (1).

31347601147 is an equidigital number, since it uses as much as digits as its factorization.

31347601147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 31347601147 in words is "thirty-one billion, three hundred forty-seven million, six hundred one thousand, one hundred forty-seven".