1331112208 has 10 divisors (see below), whose sum is σ = 2579029934. Its totient is φ = 665556096.

The previous prime is 1331112187. The next prime is 1331112217. The reversal of 1331112208 is 8022111331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1321177104 + 9935104 = 36348^2 + 3152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41597241 + ... + 41597272.

Almost surely, 2^1331112208 is an apocalyptic number.

It is an amenable number.

1331112208 is a deficient number, since it is larger than the sum of its proper divisors (1247917726).

1331112208 is an equidigital number, since it uses as much as digits as its factorization.

1331112208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83194521 (or 83194515 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1331112208 is about 36484.4104789977. The cubic root of 1331112208 is about 1100.0309104262.

Adding to 1331112208 its reverse (8022111331), we get a palindrome (9353223539).

The spelling of 1331112208 in words is "one billion, three hundred thirty-one million, one hundred twelve thousand, two hundred eight".