31052252 has 48 divisors (see below), whose sum is σ = 69431040. Its totient is φ = 11798400.

The previous prime is 31052249. The next prime is 31052261. The reversal of 31052252 is 25225013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11399 + ... + 13857.

It is an arithmetic number, because the mean of its divisors is an integer number (1446480).

Almost surely, 2^31052252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31052252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34715520).

31052252 is an abundant number, since it is smaller than the sum of its proper divisors (38378788).

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

31052252 is a wasteful number, since it uses less digits than its factorization.

31052252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 31052252 is about 5572.4547553121. The cubic root of 31052252 is about 314.3144644695.

Adding to 31052252 its reverse (25225013), we get a palindrome (56277265).

The spelling of 31052252 in words is "thirty-one million, fifty-two thousand, two hundred fifty-two".