1103011312 has 40 divisors (see below), whose sum is σ = 2333034704. Its totient is φ = 502101504.

The previous prime is 1103011309. The next prime is 1103011337. The reversal of 1103011312 is 2131103011.

It is a super-2 number, since 2×1103011312² = 2433267908799922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1103011292 and 1103011301.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21138 + ... + 51505.

Almost surely, 2^1103011312 is an apocalyptic number.

It is an amenable number.

1103011312 is an abundant number, since it is smaller than the sum of its proper divisors (1230023392).

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

1103011312 is a wasteful number, since it uses less digits than its factorization.

1103011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72737 (or 72731 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1103011312 is about 33211.6141131382. The cubic root of 1103011312 is about 1033.2212321911.

Adding to 1103011312 its reverse (2131103011), we get a palindrome (3234114323).

The spelling of 1103011312 in words is "one billion, one hundred three million, eleven thousand, three hundred twelve".