1103203030331 has 2 divisors, whose sum is σ = 1103203030332. Its totient is φ = 1103203030330.

The previous prime is 1103203030327. The next prime is 1103203030471. The reversal of 1103203030331 is 1330303023011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1330303023011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103203030331 - 2² = 1103203030327 is a prime.

It is a super-2 number, since 2×1103203030331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1103203032331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551601515165 + 551601515166.

It is an arithmetic number, because the mean of its divisors is an integer number (551601515166).

Almost surely, 2^{1103203030331} is an apocalyptic number.

1103203030331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103203030331 is an equidigital number, since it uses as much as digits as its factorization.

1103203030331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1103203030331 its reverse (1330303023011), we get a palindrome (2433506053342).

The spelling of 1103203030331 in words is "one trillion, one hundred three billion, two hundred three million, thirty thousand, three hundred thirty-one".