1100312008 has 8 divisors (see below), whose sum is σ = 2063085030. Its totient is φ = 550156000.

The previous prime is 1100311987. The next prime is 1100312009. The reversal of 1100312008 is 8002130011.

It can be written as a sum of positive squares in only one way, i.e., 626901444 + 473410564 = 25038^2 + 21758^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1100311982 and 1100312000.

It is not an unprimeable number, because it can be changed into a prime (1100312009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68769493 + ... + 68769508.

Almost surely, 2^1100312008 is an apocalyptic number.

It is an amenable number.

1100312008 is a deficient number, since it is larger than the sum of its proper divisors (962773022).

1100312008 is a wasteful number, since it uses less digits than its factorization.

1100312008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137539007 (or 137539003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1100312008 is about 33170.9512676378. The cubic root of 1100312008 is about 1032.3777061252.

Adding to 1100312008 its reverse (8002130011), we get a palindrome (9102442019).

The spelling of 1100312008 in words is "one billion, one hundred million, three hundred twelve thousand, eight".