31742386944559 has 2 divisors, whose sum is σ = 31742386944560. Its totient is φ = 31742386944558.

The previous prime is 31742386944553. The next prime is 31742386944563. The reversal of 31742386944559 is 95544968324713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31742386944559 - 2³¹ = 31740239460911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31742386944553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15871193472279 + 15871193472280.

It is an arithmetic number, because the mean of its divisors is an integer number (15871193472280).

Almost surely, 2^{31742386944559} is an apocalyptic number.

31742386944559 is a deficient number, since it is larger than the sum of its proper divisors (1).

31742386944559 is an equidigital number, since it uses as much as digits as its factorization.

31742386944559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 783820800, while the sum is 70.

The spelling of 31742386944559 in words is "thirty-one trillion, seven hundred forty-two billion, three hundred eighty-six million, nine hundred forty-four thousand, five hundred fifty-nine".