31068252 has 24 divisors (see below), whose sum is σ = 80547600. Its totient is φ = 10356048.

The previous prime is 31068241. The next prime is 31068281. The reversal of 31068252 is 25286013.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 7 ways as a sum of consecutive naturals, for example, 143727 + ... + 143942.

It is an arithmetic number, because the mean of its divisors is an integer number (3356150).

Almost surely, 2^31068252 is an apocalyptic number.

It is an amenable number.

31068252 is an abundant number, since it is smaller than the sum of its proper divisors (49479348).

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

31068252 is a wasteful number, since it uses less digits than its factorization.

31068252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287682 (or 287674 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 31068252 is about 5573.8902034396. The cubic root of 31068252 is about 314.3684398132.

The spelling of 31068252 in words is "thirty-one million, sixty-eight thousand, two hundred fifty-two".