31746132 has 36 divisors (see below), whose sum is σ = 87543456. Its totient is φ = 9619920.

The previous prime is 31746109. The next prime is 31746137. The reversal of 31746132 is 23164713.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×31746132² = 2015633793922848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31746096 and 31746105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31746137) 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 in 11 ways as a sum of consecutive naturals, for example, 39688 + ... + 40479.

Almost surely, 2^31746132 is an apocalyptic number.

It is an amenable number.

31746132 is an abundant number, since it is smaller than the sum of its proper divisors (55797324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31746132 is a wasteful number, since it uses less digits than its factorization.

31746132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80188 (or 80183 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 31746132 is about 5634.3705948402. The cubic root of 31746132 is about 316.6384171783.

It can be divided in two parts, 31746 and 132, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 31746132 in words is "thirty-one million, seven hundred forty-six thousand, one hundred thirty-two".