1101003312 has 20 divisors (see below), whose sum is σ = 2844258680. Its totient is φ = 367001088.

The previous prime is 1101003311. The next prime is 1101003349. The reversal of 1101003312 is 2133001011.

It is a super-3 number, since 3×1101003312³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1101003311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468737 + ... + 11468832.

It is an arithmetic number, because the mean of its divisors is an integer number (142212934).

Almost surely, 2^1101003312 is an apocalyptic number.

1101003312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101003312 is an abundant number, since it is smaller than the sum of its proper divisors (1743255368).

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

1101003312 is a wasteful number, since it uses less digits than its factorization.

1101003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22937580 (or 22937574 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1101003312 is about 33181.3699536351. The cubic root of 1101003312 is about 1032.5938682742.

Adding to 1101003312 its reverse (2133001011), we get a palindrome (3234004323).

The spelling of 1101003312 in words is "one billion, one hundred one million, three thousand, three hundred twelve".