31672112 has 10 divisors (see below), whose sum is σ = 61364748. Its totient is φ = 15836048.

The previous prime is 31672097. The next prime is 31672117. The reversal of 31672112 is 21127613.

It is not an unprimeable number, because it can be changed into a prime (31672117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989738 + ... + 989769.

Almost surely, 2^31672112 is an apocalyptic number.

It is an amenable number.

31672112 is a deficient number, since it is larger than the sum of its proper divisors (29692636).

31672112 is a wasteful number, since it uses less digits than its factorization.

31672112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979515 (or 1979509 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 31672112 is about 5627.7981484769. The cubic root of 31672112 is about 316.3921318972.

Adding to 31672112 its reverse (21127613), we get a palindrome (52799725).

The spelling of 31672112 in words is "thirty-one million, six hundred seventy-two thousand, one hundred twelve".