31366036 has 48 divisors (see below), whose sum is σ = 63504000. Its totient is φ = 13433472.

The previous prime is 31366019. The next prime is 31366039. The reversal of 31366036 is 63066313.

It is a junction number, because it is equal to n+sod(n) for n = 31365995 and 31366013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31366039) 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, 52065 + ... + 52663.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^31366036 is an apocalyptic number.

It is an amenable number.

31366036 is an abundant number, since it is smaller than the sum of its proper divisors (32137964).

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

31366036 is a wasteful number, since it uses less digits than its factorization.

31366036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 31366036 is about 5600.5389026414. The cubic root of 31366036 is about 315.3696374650.

The spelling of 31366036 in words is "thirty-one million, three hundred sixty-six thousand, thirty-six".