1103312402320 has 20 divisors (see below), whose sum is σ = 2565201335580. Its totient is φ = 441324960896.

The previous prime is 1103312402317. The next prime is 1103312402321. The reversal of 1103312402320 is 232042133011.

It can be written as a sum of positive squares in 2 ways, for example, as 804221542656 + 299090859664 = 896784^2 + 546892^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1103312402320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103312402291 and 1103312402300.

It is not an unprimeable number, because it can be changed into a prime (1103312402321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6895702435 + ... + 6895702594.

It is an arithmetic number, because the mean of its divisors is an integer number (128260066779).

Almost surely, 2^{1103312402320} is an apocalyptic number.

1103312402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103312402320 is an abundant number, since it is smaller than the sum of its proper divisors (1461888933260).

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

1103312402320 is a wasteful number, since it uses less digits than its factorization.

1103312402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791405042 (or 13791405036 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1103312402320 its reverse (232042133011), we get a palindrome (1335354535331).

The spelling of 1103312402320 in words is "one trillion, one hundred three billion, three hundred twelve million, four hundred two thousand, three hundred twenty".