31267252 has 12 divisors (see below), whose sum is σ = 55410880. Its totient is φ = 15435576.

The previous prime is 31267241. The next prime is 31267261. The reversal of 31267252 is 25276213.

It is a self number, because there is not a number n which added to its sum of digits gives 31267252.

It is a congruent number.

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, 49158 + ... + 49789.

Almost surely, 2^31267252 is an apocalyptic number.

It is an amenable number.

31267252 is a deficient number, since it is larger than the sum of its proper divisors (24143628).

31267252 is a wasteful number, since it uses less digits than its factorization.

31267252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99030 (or 99028 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 31267252 is about 5591.7127966304. The cubic root of 31267252 is about 315.0382148984.

The spelling of 31267252 in words is "thirty-one million, two hundred sixty-seven thousand, two hundred fifty-two".