31382107 has 2 divisors, whose sum is σ = 31382108. Its totient is φ = 31382106.

The previous prime is 31382093. The next prime is 31382111. The reversal of 31382107 is 70128313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31382107 - 2⁷ = 31381979 is a prime.

It is not a weakly prime, because it can be changed into another prime (31382177) 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, 15691053 + 15691054.

It is an arithmetic number, because the mean of its divisors is an integer number (15691054).

Almost surely, 2^31382107 is an apocalyptic number.

31382107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31382107 is an equidigital number, since it uses as much as digits as its factorization.

31382107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 31382107 is about 5601.9734915474. The cubic root of 31382107 is about 315.4234901958.

The spelling of 31382107 in words is "thirty-one million, three hundred eighty-two thousand, one hundred seven".