31534132 has 12 divisors (see below), whose sum is σ = 63068320. Its totient is φ = 13514616.

The previous prime is 31534121. The next prime is 31534141. The reversal of 31534132 is 23143513.

31534132 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 563082 + ... + 563137.

Almost surely, 2^31534132 is an apocalyptic number.

It is an amenable number.

31534132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31534132 is a wasteful number, since it uses less digits than its factorization.

31534132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126230 (or 1126228 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 31534132 is about 5615.5259771459. The cubic root of 31534132 is about 315.9320074832.

Adding to 31534132 its reverse (23143513), we get a palindrome (54677645).

The spelling of 31534132 in words is "thirty-one million, five hundred thirty-four thousand, one hundred thirty-two".