11201230320031 has 12 divisors (see below), whose sum is σ = 11256147970392. Its totient is φ = 11146579290000.

The previous prime is 11201230319969. The next prime is 11201230320037. The reversal of 11201230320031 is 13002303210211.

It is not a de Polignac number, because 11201230320031 - 2¹⁵ = 11201230287263 is a prime.

It is a super-2 number, since 2×11201230320031² (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 = 11201230319990 and 11201230320008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201230320037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440789716 + ... + 440815126.

It is an arithmetic number, because the mean of its divisors is an integer number (938012330866).

Almost surely, 2^{11201230320031} is an apocalyptic number.

11201230320031 is a deficient number, since it is larger than the sum of its proper divisors (54917650361).

11201230320031 is an frugal number, since it uses more digits than its factorization.

11201230320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35734 (or 35523 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11201230320031 its reverse (13002303210211), we get a palindrome (24203533530242).

The spelling of 11201230320031 in words is "eleven trillion, two hundred one billion, two hundred thirty million, three hundred twenty thousand, thirty-one".