1103311312 has 20 divisors (see below), whose sum is σ = 2189805156. Its totient is φ = 538200320.

The previous prime is 1103311291. The next prime is 1103311337. The reversal of 1103311312 is 2131133011.

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 888278416 = 14664^2 + 29804^2 .

It is a super-2 number, since 2×1103311312² = 2434591702374322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840283 + ... + 841594.

Almost surely, 2^1103311312 is an apocalyptic number.

It is an amenable number.

1103311312 is a deficient number, since it is larger than the sum of its proper divisors (1086493844).

1103311312 is a wasteful number, since it uses less digits than its factorization.

1103311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681926 (or 1681920 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1103311312 is about 33216.1302983957. The cubic root of 1103311312 is about 1033.3148964684.

Adding to 1103311312 its reverse (2131133011), we get a palindrome (3234444323).

The spelling of 1103311312 in words is "one billion, one hundred three million, three hundred eleven thousand, three hundred twelve".