31368652 has 48 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 12801600.

The previous prime is 31368647. The next prime is 31368653. The reversal of 31368652 is 25686313.

It is not an unprimeable number, because it can be changed into a prime (31368653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61374 + ... + 61882.

It is an arithmetic number, because the mean of its divisors is an integer number (1370880).

Almost surely, 2^31368652 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 31368652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).

31368652 is an abundant number, since it is smaller than the sum of its proper divisors (34433588).

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

31368652 is a wasteful number, since it uses less digits than its factorization.

31368652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 31368652 is about 5600.7724467255. The cubic root of 31368652 is about 315.3784047405.

The spelling of 31368652 in words is "thirty-one million, three hundred sixty-eight thousand, six hundred fifty-two".