31232134 has 4 divisors (see below), whose sum is σ = 46848204. Its totient is φ = 15616066.

The previous prime is 31232087. The next prime is 31232141. The reversal of 31232134 is 43123213.

It is a semiprime because it is the product of two primes.

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, 7808032 + ... + 7808035.

It is an arithmetic number, because the mean of its divisors is an integer number (11712051).

Almost surely, 2^31232134 is an apocalyptic number.

31232134 is a deficient number, since it is larger than the sum of its proper divisors (15616070).

31232134 is a wasteful number, since it uses less digits than its factorization.

31232134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616069.

The product of its digits is 432, while the sum is 19.

The square root of 31232134 is about 5588.5717316681. The cubic root of 31232134 is about 314.9202250323.

Adding to 31232134 its reverse (43123213), we get a palindrome (74355347).

The spelling of 31232134 in words is "thirty-one million, two hundred thirty-two thousand, one hundred thirty-four".