31671063 has 12 divisors (see below), whose sum is σ = 46029880. Its totient is φ = 20983536.

The previous prime is 31671061. The next prime is 31671067. The reversal of 31671063 is 36017613.

It is not a de Polignac number, because 31671063 - 2¹ = 31671061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31671061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9328 + ... + 12261.

Almost surely, 2^31671063 is an apocalyptic number.

31671063 is a deficient number, since it is larger than the sum of its proper divisors (14358817).

31671063 is a wasteful number, since it uses less digits than its factorization.

31671063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21758 (or 21755 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 31671063 is about 5627.7049496220. The cubic root of 31671063 is about 316.3886388241.

Adding to 31671063 its reverse (36017613), we get a palindrome (67688676).

The spelling of 31671063 in words is "thirty-one million, six hundred seventy-one thousand, sixty-three".