1201303031103 has 24 divisors (see below), whose sum is σ = 1991004253056. Its totient is φ = 683723970000.

The previous prime is 1201303031083. The next prime is 1201303031189. The reversal of 1201303031103 is 3011303031021.

It is a happy number.

1201303031103 is a `hidden beast` number, since 120 + 130 + 303 + 110 + 3 = 666.

It is not a de Polignac number, because 1201303031103 - 2⁹ = 1201303030591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201303031003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37968853 + ... + 38000478.

It is an arithmetic number, because the mean of its divisors is an integer number (82958510544).

Almost surely, 2^{1201303031103} is an apocalyptic number.

1201303031103 is a deficient number, since it is larger than the sum of its proper divisors (789701221953).

1201303031103 is a wasteful number, since it uses less digits than its factorization.

1201303031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75969595 (or 75969592 counting only the distinct ones).

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

Adding to 1201303031103 its reverse (3011303031021), we get a palindrome (4212606062124).

The spelling of 1201303031103 in words is "one trillion, two hundred one billion, three hundred three million, thirty-one thousand, one hundred three".