1103213312 has 36 divisors (see below), whose sum is σ = 2261653296. Its totient is φ = 536693760.

The previous prime is 1103213311. The next prime is 1103213339. The reversal of 1103213312 is 2133123011.

It is a super-2 number, since 2×1103213312² = 2434159223548018688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103213311) 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, 48764 + ... + 67707.

Almost surely, 2^1103213312 is an apocalyptic number.

It is an amenable number.

1103213312 is an abundant number, since it is smaller than the sum of its proper divisors (1158439984).

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

1103213312 is an equidigital number, since it uses as much as digits as its factorization.

1103213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116524 (or 116510 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1103213312 is about 33214.6550787450. The cubic root of 1103213312 is about 1033.2843013386.

Adding to 1103213312 its reverse (2133123011), we get a palindrome (3236336323).

The spelling of 1103213312 in words is "one billion, one hundred three million, two hundred thirteen thousand, three hundred twelve".