11030213213231 has 4 divisors (see below), whose sum is σ = 11061460276512. Its totient is φ = 10998966149952.

The previous prime is 11030213213153. The next prime is 11030213213249. The reversal of 11030213213231 is 13231231203011.

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

It is a cyclic number.

It is not a de Polignac number, because 11030213213231 - 2⁴² = 6632166702127 is a prime.

It is a super-2 number, since 2×11030213213231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030213213197 and 11030213213206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030213210231) 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, 15623531111 + ... + 15623531816.

It is an arithmetic number, because the mean of its divisors is an integer number (2765365069128).

Almost surely, 2^{11030213213231} is an apocalyptic number.

11030213213231 is a deficient number, since it is larger than the sum of its proper divisors (31247063281).

11030213213231 is an equidigital number, since it uses as much as digits as its factorization.

11030213213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31247063280.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11030213213231 its reverse (13231231203011), we get a palindrome (24261444416242).

The spelling of 11030213213231 in words is "eleven trillion, thirty billion, two hundred thirteen million, two hundred thirteen thousand, two hundred thirty-one".