1203110331411 has 4 divisors (see below), whose sum is σ = 1604147108552. Its totient is φ = 802073554272.

The previous prime is 1203110331403. The next prime is 1203110331457. The reversal of 1203110331411 is 1141330113021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1203110331411 - 2³ = 1203110331403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203110336411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200518388566 + ... + 200518388571.

It is an arithmetic number, because the mean of its divisors is an integer number (401036777138).

Almost surely, 2^{1203110331411} is an apocalyptic number.

1203110331411 is a deficient number, since it is larger than the sum of its proper divisors (401036777141).

1203110331411 is an equidigital number, since it uses as much as digits as its factorization.

1203110331411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401036777140.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1203110331411 its reverse (1141330113021), we get a palindrome (2344440444432).

The spelling of 1203110331411 in words is "one trillion, two hundred three billion, one hundred ten million, three hundred thirty-one thousand, four hundred eleven".