31676 has 6 divisors (see below), whose sum is σ = 55440. Its totient is φ = 15836.

The previous prime is 31667. The next prime is 31687. The reversal of 31676 is 67613.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is an unprimeable number.

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, 3956 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

2³¹⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

31676 is a deficient number, since it is larger than the sum of its proper divisors (23764).

31676 is a wasteful number, since it uses less digits than its factorization.

31676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923 (or 7921 counting only the distinct ones).

The product of its digits is 756, while the sum is 23.

The square root of 31676 is about 177.9775266712. The cubic root of 31676 is about 31.6405077906.

Subtracting 31676 from its reverse (67613), we obtain a cube (35937 = 33³).

It can be divided in two parts, 31 and 676, that added together give a palindrome (707).

The spelling of 31676 in words is "thirty-one thousand, six hundred seventy-six".