31068716 has 24 divisors (see below), whose sum is σ = 62388480. Its totient is φ = 13261392.

The previous prime is 31068691. The next prime is 31068721. The reversal of 31068716 is 61786013.

It is a super-2 number, since 2×31068716² = 1930530227777312, which contains 22 as substring.

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, 5255 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (2599520).

Almost surely, 2^31068716 is an apocalyptic number.

It is an amenable number.

31068716 is an abundant number, since it is smaller than the sum of its proper divisors (31319764).

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

31068716 is a wasteful number, since it uses less digits than its factorization.

31068716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 31068716 is about 5573.9318259197. The cubic root of 31068716 is about 314.3700048216.

The spelling of 31068716 in words is "thirty-one million, sixty-eight thousand, seven hundred sixteen".