2031131224 has 8 divisors (see below), whose sum is σ = 3808371060. Its totient is φ = 1015565608.

The previous prime is 2031131189. The next prime is 2031131231. The reversal of 2031131224 is 4221311302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 126945694 + ... + 126945709.

Almost surely, 2^2031131224 is an apocalyptic number.

It is an amenable number.

2031131224 is a deficient number, since it is larger than the sum of its proper divisors (1777239836).

2031131224 is a wasteful number, since it uses less digits than its factorization.

2031131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253891409 (or 253891405 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2031131224 is about 45068.0732226262. The cubic root of 2031131224 is about 1266.4245693666.

Adding to 2031131224 its reverse (4221311302), we get a palindrome (6252442526).

The spelling of 2031131224 in words is "two billion, thirty-one million, one hundred thirty-one thousand, two hundred twenty-four".