31168160629 has 2 divisors, whose sum is σ = 31168160630. Its totient is φ = 31168160628.

The previous prime is 31168160627. The next prime is 31168160663. The reversal of 31168160629 is 92606186113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24258062500 + 6910098129 = 155750^2 + 83127^2 .

It is a cyclic number.

It is not a de Polignac number, because 31168160629 - 2¹ = 31168160627 is a prime.

Together with 31168160627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31168160623) 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, 15584080314 + 15584080315.

It is an arithmetic number, because the mean of its divisors is an integer number (15584080315).

Almost surely, 2^31168160629 is an apocalyptic number.

It is an amenable number.

31168160629 is a deficient number, since it is larger than the sum of its proper divisors (1).

31168160629 is an equidigital number, since it uses as much as digits as its factorization.

31168160629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 31168160629 in words is "thirty-one billion, one hundred sixty-eight million, one hundred sixty thousand, six hundred twenty-nine".