1201113031003 has 2 divisors, whose sum is σ = 1201113031004. Its totient is φ = 1201113031002.

The previous prime is 1201113030983. The next prime is 1201113031037. The reversal of 1201113031003 is 3001303111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201113031003 - 2²¹ = 1201110933851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201113031603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600556515501 + 600556515502.

It is an arithmetic number, because the mean of its divisors is an integer number (600556515502).

Almost surely, 2^{1201113031003} is an apocalyptic number.

1201113031003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201113031003 is an equidigital number, since it uses as much as digits as its factorization.

1201113031003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1201113031003 its reverse (3001303111021), we get a palindrome (4202416142024).

The spelling of 1201113031003 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirty-one thousand, three".