31253043244 has 12 divisors (see below), whose sum is σ = 55509136984. Its totient is φ = 15393289824.

The previous prime is 31253043181. The next prime is 31253043251. The reversal of 31253043244 is 44234035213.

It is a happy number.

It is a super-2 number, since 2×31253043244² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 58307649 + ... + 58308184.

Almost surely, 2^31253043244 is an apocalyptic number.

It is an amenable number.

31253043244 is a deficient number, since it is larger than the sum of its proper divisors (24256093740).

31253043244 is a wasteful number, since it uses less digits than its factorization.

31253043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116615904 (or 116615902 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 31253043244 its reverse (44234035213), we get a palindrome (75487078457).

The spelling of 31253043244 in words is "thirty-one billion, two hundred fifty-three million, forty-three thousand, two hundred forty-four".