31144034 has 16 divisors (see below), whose sum is σ = 49582368. Its totient is φ = 14620992.

The previous prime is 31144027. The next prime is 31144039. The reversal of 31144034 is 43044113.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31143997 and 31144015.

It is not an unprimeable number, because it can be changed into a prime (31144039) by changing a digit.

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, 18329 + ... + 19955.

It is an arithmetic number, because the mean of its divisors is an integer number (3098898).

Almost surely, 2^31144034 is an apocalyptic number.

31144034 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31144034 is a deficient number, since it is larger than the sum of its proper divisors (18438334).

31144034 is a wasteful number, since it uses less digits than its factorization.

31144034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 31144034 is about 5580.6840082556. The cubic root of 31144034 is about 314.6238358486.

Adding to 31144034 its reverse (43044113), we get a palindrome (74188147).

The spelling of 31144034 in words is "thirty-one million, one hundred forty-four thousand, thirty-four".