31080082 has 16 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 14102320.

The previous prime is 31080047. The next prime is 31080121. The reversal of 31080082 is 28008013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18168 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2^31080082 is an apocalyptic number.

31080082 is a deficient number, since it is larger than the sum of its proper divisors (19868270).

31080082 is a wasteful number, since it uses less digits than its factorization.

31080082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 31080082 is about 5574.9513002357. The cubic root of 31080082 is about 314.4083359180.

Adding to 31080082 its reverse (28008013), we get a palindrome (59088095).

The spelling of 31080082 in words is "thirty-one million, eighty thousand, eighty-two".