31080434 has 16 divisors (see below), whose sum is σ = 58124736. Its totient is φ = 12109200.

The previous prime is 31080391. The next prime is 31080451. The reversal of 31080434 is 43408013.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100757 + ... + 101064.

It is an arithmetic number, because the mean of its divisors is an integer number (3632796).

Almost surely, 2^31080434 is an apocalyptic number.

31080434 is a deficient number, since it is larger than the sum of its proper divisors (27044302).

31080434 is a wasteful number, since it uses less digits than its factorization.

31080434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201841.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31080434 is about 5574.9828699288. The cubic root of 31080434 is about 314.4095228659.

Adding to 31080434 its reverse (43408013), we get a palindrome (74488447).

The spelling of 31080434 in words is "thirty-one million, eighty thousand, four hundred thirty-four".