31104127 has 2 divisors, whose sum is σ = 31104128. Its totient is φ = 31104126.

The previous prime is 31104113. The next prime is 31104173. The reversal of 31104127 is 72140113.

It is a weak prime.

It is an emirp because it is prime and its reverse (72140113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31104127 - 2¹¹ = 31102079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31104107) 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, 15552063 + 15552064.

It is an arithmetic number, because the mean of its divisors is an integer number (15552064).

Almost surely, 2^31104127 is an apocalyptic number.

31104127 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104127 is an equidigital number, since it uses as much as digits as its factorization.

31104127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 31104127 is about 5577.1074043809. The cubic root of 31104127 is about 314.4893953320.

The spelling of 31104127 in words is "thirty-one million, one hundred four thousand, one hundred twenty-seven".