31310034 has 16 divisors (see below), whose sum is σ = 71565888. Its totient is φ = 8945712.

The previous prime is 31310017. The next prime is 31310047. The reversal of 31310034 is 43001313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31309995 and 31310022.

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 in 7 ways as a sum of consecutive naturals, for example, 372697 + ... + 372780.

It is an arithmetic number, because the mean of its divisors is an integer number (4472868).

Almost surely, 2^31310034 is an apocalyptic number.

31310034 is an abundant number, since it is smaller than the sum of its proper divisors (40255854).

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

31310034 is a wasteful number, since it uses less digits than its factorization.

31310034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745489.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31310034 is about 5595.5369715515. The cubic root of 31310034 is about 315.1818350500.

Adding to 31310034 its reverse (43001313), we get a palindrome (74311347).

The spelling of 31310034 in words is "thirty-one million, three hundred ten thousand, thirty-four".