31144010 has 32 divisors (see below), whose sum is σ = 59007312. Its totient is φ = 11819520.

The previous prime is 31143971. The next prime is 31144027. The reversal of 31144010 is 1044113.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11950849 + 19193161 = 3457^2 + 4381^2 .

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 15 ways as a sum of consecutive naturals, for example, 14144 + ... + 16196.

Almost surely, 2^31144010 is an apocalyptic number.

31144010 is a deficient number, since it is larger than the sum of its proper divisors (27863302).

31144010 is a wasteful number, since it uses less digits than its factorization.

31144010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 31144010 is about 5580.6818579812. The cubic root of 31144010 is about 314.6237550308.

Adding to 31144010 its reverse (1044113), we get a palindrome (32188123).

The spelling of 31144010 in words is "thirty-one million, one hundred forty-four thousand, ten".