1030631108 has 12 divisors (see below), whose sum is σ = 1942343340. Its totient is φ = 475675872.

The previous prime is 1030631099. The next prime is 1030631123. The reversal of 1030631108 is 8011360301.

It can be written as a sum of positive squares in 2 ways, for example, as 564157504 + 466473604 = 23752^2 + 21598^2 .

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, 9909863 + ... + 9909966.

It is an arithmetic number, because the mean of its divisors is an integer number (161861945).

Almost surely, 2^1030631108 is an apocalyptic number.

It is an amenable number.

1030631108 is a deficient number, since it is larger than the sum of its proper divisors (911712232).

1030631108 is a wasteful number, since it uses less digits than its factorization.

1030631108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19819846 (or 19819844 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1030631108 is about 32103.4438651058. The cubic root of 1030631108 is about 1010.1078563379.

Adding to 1030631108 its reverse (8011360301), we get a palindrome (9041991409).

It can be divided in two parts, 10306 and 31108, that added together give a palindrome (41414).

The spelling of 1030631108 in words is "one billion, thirty million, six hundred thirty-one thousand, one hundred eight".