1103312310 has 128 divisors (see below), whose sum is σ = 2794881024. Its totient is φ = 278517120.

The previous prime is 1103312297. The next prime is 1103312363. The reversal of 1103312310 is 132133011.

It is a super-2 number, since 2×1103312310² = 2434596106795072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1103312310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10311277 + ... + 10311383.

It is an arithmetic number, because the mean of its divisors is an integer number (21835008).

Almost surely, 2^1103312310 is an apocalyptic number.

1103312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103312310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397440512).

1103312310 is an abundant number, since it is smaller than the sum of its proper divisors (1691568714).

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

1103312310 is a wasteful number, since it uses less digits than its factorization.

1103312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103312310 is about 33216.1453212139. The cubic root of 1103312310 is about 1033.3152080299.

Adding to 1103312310 its reverse (132133011), we get a palindrome (1235445321).

The spelling of 1103312310 in words is "one billion, one hundred three million, three hundred twelve thousand, three hundred ten".