11311030202403 has 32 divisors (see below), whose sum is σ = 15782030817280. Its totient is φ = 7197062181120.

The previous prime is 11311030202359. The next prime is 11311030202453. The reversal of 11311030202403 is 30420203011311.

It is not a de Polignac number, because 11311030202403 - 2¹⁰ = 11311030201379 is a prime.

It is a super-2 number, since 2×11311030202403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11311030202403.

It is not an unprimeable number, because it can be changed into a prime (11311030202453) 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 in 31 ways as a sum of consecutive naturals, for example, 156511425 + ... + 156583677.

It is an arithmetic number, because the mean of its divisors is an integer number (493188463040).

Almost surely, 2^{11311030202403} is an apocalyptic number.

11311030202403 is a deficient number, since it is larger than the sum of its proper divisors (4471000614877).

11311030202403 is a wasteful number, since it uses less digits than its factorization.

11311030202403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95419.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11311030202403 its reverse (30420203011311), we get a palindrome (41731233213714).

The spelling of 11311030202403 in words is "eleven trillion, three hundred eleven billion, thirty million, two hundred two thousand, four hundred three".