31324127 has 2 divisors, whose sum is σ = 31324128. Its totient is φ = 31324126.

The previous prime is 31324109. The next prime is 31324133. The reversal of 31324127 is 72142313.

It is a strong prime.

It is an emirp because it is prime and its reverse (72142313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31324127 - 2⁶ = 31324063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31324187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662063 + 15662064.

It is an arithmetic number, because the mean of its divisors is an integer number (15662064).

Almost surely, 2^31324127 is an apocalyptic number.

31324127 is a deficient number, since it is larger than the sum of its proper divisors (1).

31324127 is an equidigital number, since it uses as much as digits as its factorization.

31324127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 31324127 is about 5596.7961370770. The cubic root of 31324127 is about 315.2291169249.

The spelling of 31324127 in words is "thirty-one million, three hundred twenty-four thousand, one hundred twenty-seven".