1100531313 has 16 divisors (see below), whose sum is σ = 1863333760. Its totient is φ = 628874928.

The previous prime is 1100531309. The next prime is 1100531321. The reversal of 1100531313 is 3131350011.

1100531313 is a `hidden beast` number, since 1 + 100 + 531 + 31 + 3 = 666.

It is not a de Polignac number, because 1100531313 - 2² = 1100531309 is a prime.

It is a super-2 number, since 2×1100531313² = 2422338341787007938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100531303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911270 + ... + 2911647.

It is an arithmetic number, because the mean of its divisors is an integer number (116458360).

Almost surely, 2^1100531313 is an apocalyptic number.

It is an amenable number.

1100531313 is a deficient number, since it is larger than the sum of its proper divisors (762802447).

1100531313 is an equidigital number, since it uses as much as digits as its factorization.

1100531313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822933 (or 5822927 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1100531313 is about 33174.2567814262. The cubic root of 1100531313 is about 1032.4462898696.

Adding to 1100531313 its reverse (3131350011), we get a palindrome (4231881324).

The spelling of 1100531313 in words is "one billion, one hundred million, five hundred thirty-one thousand, three hundred thirteen".