1320103131112 has 16 divisors (see below), whose sum is σ = 2475212285700. Its totient is φ = 660046521600.

The previous prime is 1320103131077. The next prime is 1320103131121. The reversal of 1320103131112 is 2111313010231.

It can be written as a sum of positive squares in 2 ways, for example, as 1317476978596 + 2626152516 = 1147814^2 + 51246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320103131112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630064 + ... + 1742752.

Almost surely, 2^{1320103131112} is an apocalyptic number.

It is an amenable number.

1320103131112 is a deficient number, since it is larger than the sum of its proper divisors (1155109154588).

1320103131112 is a wasteful number, since it uses less digits than its factorization.

1320103131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260996 (or 1260992 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1320103131112 its reverse (2111313010231), we get a palindrome (3431416141343).

The spelling of 1320103131112 in words is "one trillion, three hundred twenty billion, one hundred three million, one hundred thirty-one thousand, one hundred twelve".