11311022013303 has 4 divisors (see below), whose sum is σ = 15081362684408. Its totient is φ = 7540681342200.

The previous prime is 11311022013283. The next prime is 11311022013307. The reversal of 11311022013303 is 30331022011311.

It is a happy number.

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

It is not a de Polignac number, because 11311022013303 - 2¹³ = 11311022005111 is a prime.

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 11311022013303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311022013307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885170335548 + ... + 1885170335553.

It is an arithmetic number, because the mean of its divisors is an integer number (3770340671102).

Almost surely, 2^{11311022013303} is an apocalyptic number.

11311022013303 is a deficient number, since it is larger than the sum of its proper divisors (3770340671105).

11311022013303 is an equidigital number, since it uses as much as digits as its factorization.

11311022013303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770340671104.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11311022013303 its reverse (30331022011311), we get a palindrome (41642044024614).

The spelling of 11311022013303 in words is "eleven trillion, three hundred eleven billion, twenty-two million, thirteen thousand, three hundred three".