1103203001322 has 12 divisors (see below), whose sum is σ = 2390273169570. Its totient is φ = 367734333768.

The previous prime is 1103203001317. The next prime is 1103203001323. The reversal of 1103203001322 is 2231003023011.

1103203001322 is a `hidden beast` number, since 1 + 10 + 32 + 0 + 300 + 1 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 782710014681 + 320492986641 = 884709^2 + 566121^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 61289055629 = 1103203001322 / (1 + 1 + 0 + 3 + 2 + 0 + 3 + 0 + 0 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1103203001295 and 1103203001304.

It is not an unprimeable number, because it can be changed into a prime (1103203001323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30644527797 + ... + 30644527832.

Almost surely, 2^{1103203001322} is an apocalyptic number.

1103203001322 is an abundant number, since it is smaller than the sum of its proper divisors (1287070168248).

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

1103203001322 is a wasteful number, since it uses less digits than its factorization.

1103203001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61289055637 (or 61289055634 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1103203001322 its reverse (2231003023011), we get a palindrome (3334206024333).

The spelling of 1103203001322 in words is "one trillion, one hundred three billion, two hundred three million, one thousand, three hundred twenty-two".