31036368 has 80 divisors (see below), whose sum is σ = 89565696. Its totient is φ = 9179520.

The previous prime is 31036349. The next prime is 31036381. The reversal of 31036368 is 86363013.

It is a super-4 number, since 4×31036368⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22021 + ... + 23387.

Almost surely, 2^31036368 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 31036368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44782848).

31036368 is an abundant number, since it is smaller than the sum of its proper divisors (58529328).

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

31036368 is a wasteful number, since it uses less digits than its factorization.

31036368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 31036368 is about 5571.0293483341. The cubic root of 31036368 is about 314.2608621041.

The spelling of 31036368 in words is "thirty-one million, thirty-six thousand, three hundred sixty-eight".