31080068 has 6 divisors (see below), whose sum is σ = 54390126. Its totient is φ = 15540032.

The previous prime is 31080047. The next prime is 31080121. The reversal of 31080068 is 86008013.

It can be written as a sum of positive squares in only one way, i.e., 30558784 + 521284 = 5528^2 + 722^2 .

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 as a sum of consecutive naturals, namely, 3885005 + ... + 3885012.

It is an arithmetic number, because the mean of its divisors is an integer number (9065021).

Almost surely, 2^31080068 is an apocalyptic number.

It is an amenable number.

31080068 is a deficient number, since it is larger than the sum of its proper divisors (23310058).

31080068 is a wasteful number, since it uses less digits than its factorization.

31080068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770021 (or 7770019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 31080068 is about 5574.9500446192. The cubic root of 31080068 is about 314.4082887096.

The spelling of 31080068 in words is "thirty-one million, eighty thousand, sixty-eight".