1031220008 has 32 divisors (see below), whose sum is σ = 2379740160. Its totient is φ = 407954880.

The previous prime is 1031219977. The next prime is 1031220059. The reversal of 1031220008 is 8000221301.

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 7 ways as a sum of consecutive naturals, for example, 707528 + ... + 708983.

It is an arithmetic number, because the mean of its divisors is an integer number (74366880).

Almost surely, 2^1031220008 is an apocalyptic number.

It is an amenable number.

1031220008 is an abundant number, since it is smaller than the sum of its proper divisors (1348520152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031220008 is a wasteful number, since it uses less digits than its factorization.

1031220008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416537 (or 1416533 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1031220008 is about 32112.6144684608. The cubic root of 1031220008 is about 1010.3002107276.

Adding to 1031220008 its reverse (8000221301), we get a palindrome (9031441309).

The spelling of 1031220008 in words is "one billion, thirty-one million, two hundred twenty thousand, eight".