11220230320031 has 4 divisors (see below), whose sum is σ = 11223733361112. Its totient is φ = 11216727278952.

The previous prime is 11220230319979. The next prime is 11220230320049. The reversal of 11220230320031 is 13002303202211.

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 11220230320031 - 2¹⁴ = 11220230303647 is a prime.

It is a super-2 number, since 2×11220230320031² (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 = 11220230319985 and 11220230320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220230320051) 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, 1751515736 + ... + 1751522141.

It is an arithmetic number, because the mean of its divisors is an integer number (2805933340278).

Almost surely, 2^{11220230320031} is an apocalyptic number.

11220230320031 is a deficient number, since it is larger than the sum of its proper divisors (3503041081).

11220230320031 is an equidigital number, since it uses as much as digits as its factorization.

11220230320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503041080.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11220230320031 its reverse (13002303202211), we get a palindrome (24222533522242).

The spelling of 11220230320031 in words is "eleven trillion, two hundred twenty billion, two hundred thirty million, three hundred twenty thousand, thirty-one".