1320103003311 has 12 divisors (see below), whose sum is σ = 1906836867520. Its totient is φ = 880058783520.

The previous prime is 1320103003291. The next prime is 1320103003357. The reversal of 1320103003311 is 1133003010231.

It is a happy number.

1320103003311 is a `hidden beast` number, since 1 + 3 + 20 + 10 + 300 + 331 + 1 = 666.

It is not a de Polignac number, because 1320103003311 - 2⁵ = 1320103003279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320103003211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73410 + ... + 1626528.

Almost surely, 2^{1320103003311} is an apocalyptic number.

1320103003311 is a deficient number, since it is larger than the sum of its proper divisors (586733864209).

1320103003311 is a wasteful number, since it uses less digits than its factorization.

1320103003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647566 (or 1647563 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1320103003311 its reverse (1133003010231), we get a palindrome (2453106013542).

The spelling of 1320103003311 in words is "one trillion, three hundred twenty billion, one hundred three million, three thousand, three hundred eleven".