1103131312 has 40 divisors (see below), whose sum is σ = 2162299104. Its totient is φ = 545147904.

The previous prime is 1103131307. The next prime is 1103131327. The reversal of 1103131312 is 2131313011.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908818 + ... + 910030.

Almost surely, 2^1103131312 is an apocalyptic number.

It is an amenable number.

1103131312 is a deficient number, since it is larger than the sum of its proper divisors (1059167792).

1103131312 is a wasteful number, since it uses less digits than its factorization.

1103131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1831 counting only the distinct ones).

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

The square root of 1103131312 is about 33213.4206609316. The cubic root of 1103131312 is about 1033.2586999398.

Adding to 1103131312 its reverse (2131313011), we get a palindrome (3234444323).

The spelling of 1103131312 in words is "one billion, one hundred three million, one hundred thirty-one thousand, three hundred twelve".