1103312361 has 32 divisors (see below), whose sum is σ = 1558036480. Its totient is φ = 693572544.

The previous prime is 1103312297. The next prime is 1103312363. The reversal of 1103312361 is 1632133011.

It is not a de Polignac number, because 1103312361 - 2⁶ = 1103312297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103312363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662616 + ... + 664278.

It is an arithmetic number, because the mean of its divisors is an integer number (48688640).

Almost surely, 2^1103312361 is an apocalyptic number.

It is an amenable number.

1103312361 is a deficient number, since it is larger than the sum of its proper divisors (454724119).

1103312361 is a wasteful number, since it uses less digits than its factorization.

1103312361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1103312361 is about 33216.1460889128. The cubic root of 1103312361 is about 1033.3152239513.

Adding to 1103312361 its reverse (1632133011), we get a palindrome (2735445372).

The spelling of 1103312361 in words is "one billion, one hundred three million, three hundred twelve thousand, three hundred sixty-one".