31672063 has 2 divisors, whose sum is σ = 31672064. Its totient is φ = 31672062.

The previous prime is 31672027. The next prime is 31672073. The reversal of 31672063 is 36027613.

It is a strong prime.

It is an emirp because it is prime and its reverse (36027613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31672063 - 2⁹ = 31671551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31672073) 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, 15836031 + 15836032.

It is an arithmetic number, because the mean of its divisors is an integer number (15836032).

Almost surely, 2^31672063 is an apocalyptic number.

31672063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31672063 is an equidigital number, since it uses as much as digits as its factorization.

31672063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 31672063 is about 5627.7937950852. The cubic root of 31672063 is about 316.3919687335.

Adding to 31672063 its reverse (36027613), we get a palindrome (67699676).

The spelling of 31672063 in words is "thirty-one million, six hundred seventy-two thousand, sixty-three".