31678483 has 2 divisors, whose sum is σ = 31678484. Its totient is φ = 31678482.

The previous prime is 31678481. The next prime is 31678489. The reversal of 31678483 is 38487613.

It is a weak prime.

It is an emirp because it is prime and its reverse (38487613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31678483 - 2¹ = 31678481 is a prime.

Together with 31678481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31678481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15839241 + 15839242.

It is an arithmetic number, because the mean of its divisors is an integer number (15839242).

Almost surely, 2^31678483 is an apocalyptic number.

31678483 is a deficient number, since it is larger than the sum of its proper divisors (1).

31678483 is an equidigital number, since it uses as much as digits as its factorization.

31678483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 31678483 is about 5628.3641495554. The cubic root of 31678483 is about 316.4133450824.

The spelling of 31678483 in words is "thirty-one million, six hundred seventy-eight thousand, four hundred eighty-three".