1103303213 has 16 divisors (see below), whose sum is σ = 1179463680.
Its totient is φ = 1028441856.
The previous prime is 1103303209. The next prime is 1103303219. The reversal of 1103303213 is 3123033011.
It is a cyclic number.
It is not a de Polignac number, because 1103303213 - 22 = 1103303209 is a prime.
It is a super-2 number, since 2×11033032132 = 2434555959632246738, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1103303191 and 1103303200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1103303219) 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, 1278020 + ... + 1278882.
It is an arithmetic number, because the mean of its divisors is an integer number (73716480).
Almost surely, 21103303213 is an apocalyptic number.
It is an amenable number.
1103303213 is a deficient number, since it is larger than the sum of its proper divisors (76160467).
1103303213 is a wasteful number, since it uses less digits than its factorization.
1103303213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1516.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 1103303213 is about 33216.0083845124.
The cubic root of 1103303213 is about 1033.3123680681.
Adding to 1103303213 its reverse (3123033011), we get a palindrome (4226336224).
The spelling of 1103303213 in words is "one billion, one hundred three million, three hundred three thousand, two hundred thirteen".