11231003145213 has 48 divisors (see below), whose sum is σ = 16618250815920. Its totient is φ = 7306258931712.

The previous prime is 11231003145203. The next prime is 11231003145233. The reversal of 11231003145213 is 31254130013211.

11231003145213 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 100 + 31 + 4 + 521 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4300488832644 + 6930514312569 = 2073762^2 + 2632587^2 .

It is not a de Polignac number, because 11231003145213 - 2⁵ = 11231003145181 is a prime.

It is a super-2 number, since 2×11231003145213² (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 (11231003145203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467381683 + ... + 467405711.

It is an arithmetic number, because the mean of its divisors is an integer number (346213558665).

Almost surely, 2^{11231003145213} is an apocalyptic number.

It is an amenable number.

11231003145213 is a deficient number, since it is larger than the sum of its proper divisors (5387247670707).

11231003145213 is a wasteful number, since it uses less digits than its factorization.

11231003145213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358 (or 29355 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 11231003145213 its reverse (31254130013211), we get a palindrome (42485133158424).

The spelling of 11231003145213 in words is "eleven trillion, two hundred thirty-one billion, three million, one hundred forty-five thousand, two hundred thirteen".