31434212 has 12 divisors (see below), whose sum is σ = 55199676. Its totient is φ = 15662880.

The previous prime is 31434209. The next prime is 31434233. The reversal of 31434212 is 21243413.

It can be written as a sum of positive squares in 2 ways, for example, as 28665316 + 2768896 = 5354^2 + 1664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12239 + ... + 14582.

It is an arithmetic number, because the mean of its divisors is an integer number (4599973).

Almost surely, 2^31434212 is an apocalyptic number.

It is an amenable number.

31434212 is a deficient number, since it is larger than the sum of its proper divisors (23765464).

31434212 is a wasteful number, since it uses less digits than its factorization.

31434212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27118 (or 27116 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 31434212 is about 5606.6221559866. The cubic root of 31434212 is about 315.5979638574.

Adding to 31434212 its reverse (21243413), we get a palindrome (52677625).

The spelling of 31434212 in words is "thirty-one million, four hundred thirty-four thousand, two hundred twelve".