11003233311231 has 32 divisors (see below), whose sum is σ = 16785281710080. Its totient is φ = 6280644835584.

The previous prime is 11003233311227. The next prime is 11003233311233. The reversal of 11003233311231 is 13211333230011.

11003233311231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11003233311231 - 2² = 11003233311227 is a prime.

It is a super-2 number, since 2×11003233311231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003233311233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179605201 + ... + 179666453.

It is an arithmetic number, because the mean of its divisors is an integer number (524540053440).

Almost surely, 2^{11003233311231} is an apocalyptic number.

11003233311231 is a deficient number, since it is larger than the sum of its proper divisors (5782048398849).

11003233311231 is a wasteful number, since it uses less digits than its factorization.

11003233311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70535.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11003233311231 its reverse (13211333230011), we get a palindrome (24214566541242).

The spelling of 11003233311231 in words is "eleven trillion, three billion, two hundred thirty-three million, three hundred eleven thousand, two hundred thirty-one".