31042084 has 24 divisors (see below), whose sum is σ = 55996416. Its totient is φ = 15048000.

The previous prime is 31042079. The next prime is 31042097. The reversal of 31042084 is 48024013.

It is a super-2 number, since 2×31042084² = 1927221958126112, which contains 22 as substring.

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, 30829 + ... + 31819.

It is an arithmetic number, because the mean of its divisors is an integer number (2333184).

Almost surely, 2^31042084 is an apocalyptic number.

It is an amenable number.

31042084 is a deficient number, since it is larger than the sum of its proper divisors (24954332).

31042084 is a wasteful number, since it uses less digits than its factorization.

31042084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 31042084 is about 5571.5423358348. The cubic root of 31042084 is about 314.2801535026.

Adding to 31042084 its reverse (48024013), we get a palindrome (79066097).

The spelling of 31042084 in words is "thirty-one million, forty-two thousand, eighty-four".