31496 has 16 divisors (see below), whose sum is σ = 61440. Its totient is φ = 15120.

The previous prime is 31489. The next prime is 31511. The reversal of 31496 is 69413.

It is a plaindrome in base 13.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185 + ... + 311.

It is an arithmetic number, because the mean of its divisors is an integer number (3840).

2³¹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

31496 is a deficient number, since it is larger than the sum of its proper divisors (29944).

31496 is a wasteful number, since it uses less digits than its factorization.

31496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 160 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 31496 is about 177.4711244118. The cubic root of 31496 is about 31.5804611360.

It can be divided in two parts, 31 and 496, that multiplied together give a square (15376 = 124²).

The spelling of 31496 in words is "thirty-one thousand, four hundred ninety-six".