1103030312 has 64 divisors (see below), whose sum is σ = 2281770000. Its totient is φ = 497545216.

The previous prime is 1103030287. The next prime is 1103030317. The reversal of 1103030312 is 2130303011.

It can be written as a sum of positive squares in 8 ways, for example, as 557620996 + 545409316 = 23614^2 + 23354^2 .

It is not an unprimeable number, because it can be changed into a prime (1103030317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586718 + ... + 588594.

Almost surely, 2^1103030312 is an apocalyptic number.

It is an amenable number.

1103030312 is an abundant number, since it is smaller than the sum of its proper divisors (1178739688).

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

1103030312 is a wasteful number, since it uses less digits than its factorization.

1103030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1103030312 is about 33211.9001564198. The cubic root of 1103030312 is about 1033.2271647657.

Adding to 1103030312 its reverse (2130303011), we get a palindrome (3233333323).

The spelling of 1103030312 in words is "one billion, one hundred three million, thirty thousand, three hundred twelve".