31153761047 has 2 divisors, whose sum is σ = 31153761048. Its totient is φ = 31153761046.

The previous prime is 31153761011. The next prime is 31153761097. The reversal of 31153761047 is 74016735113.

It is a weak prime.

It is an emirp because it is prime and its reverse (74016735113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31153761047 - 2¹⁶ = 31153695511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31153761047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31153761007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15576880523 + 15576880524.

It is an arithmetic number, because the mean of its divisors is an integer number (15576880524).

Almost surely, 2^31153761047 is an apocalyptic number.

31153761047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31153761047 is an equidigital number, since it uses as much as digits as its factorization.

31153761047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 31153761047 in words is "thirty-one billion, one hundred fifty-three million, seven hundred sixty-one thousand, forty-seven".