31283005268 has 24 divisors (see below), whose sum is σ = 55535445504. Its totient is φ = 15415887200.

The previous prime is 31283005261. The next prime is 31283005321. The reversal of 31283005268 is 86250038213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31283005261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 882038 + ... + 916818.

It is an arithmetic number, because the mean of its divisors is an integer number (2313976896).

Almost surely, 2^31283005268 is an apocalyptic number.

It is an amenable number.

31283005268 is a deficient number, since it is larger than the sum of its proper divisors (24252440236).

31283005268 is a wasteful number, since it uses less digits than its factorization.

31283005268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38023 (or 38021 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 31283005268 in words is "thirty-one billion, two hundred eighty-three million, five thousand, two hundred sixty-eight".