11200320231 has 8 divisors (see below), whose sum is σ = 15448717680. Its totient is φ = 7209401472.

The previous prime is 11200320221. The next prime is 11200320251. The reversal of 11200320231 is 13202300211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11200320231 - 2⁵ = 11200320199 is a prime.

It is a super-2 number, since 2×11200320231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11200320231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200320221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64369570 + ... + 64369743.

It is an arithmetic number, because the mean of its divisors is an integer number (1931089710).

Almost surely, 2^11200320231 is an apocalyptic number.

11200320231 is a deficient number, since it is larger than the sum of its proper divisors (4248397449).

11200320231 is a wasteful number, since it uses less digits than its factorization.

11200320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128739345.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11200320231 its reverse (13202300211), we get a palindrome (24402620442).

The spelling of 11200320231 in words is "eleven billion, two hundred million, three hundred twenty thousand, two hundred thirty-one".