11231320302103 has 24 divisors (see below), whose sum is σ = 12418719390000. Its totient is φ = 10149503210880.

The previous prime is 11231320302079. The next prime is 11231320302121. The reversal of 11231320302103 is 30120302313211.

It is a de Polignac number, because none of the positive numbers 2^k-11231320302103 is a prime.

It is a super-2 number, since 2×11231320302103² (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 (11231320302803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59446275 + ... + 59634907.

It is an arithmetic number, because the mean of its divisors is an integer number (517446641250).

Almost surely, 2^{11231320302103} is an apocalyptic number.

11231320302103 is a deficient number, since it is larger than the sum of its proper divisors (1187399087897).

11231320302103 is a wasteful number, since it uses less digits than its factorization.

11231320302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191583 (or 191572 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11231320302103 its reverse (30120302313211), we get a palindrome (41351622615314).

The spelling of 11231320302103 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty million, three hundred two thousand, one hundred three".