11320202231 has 8 divisors (see below), whose sum is σ = 12474498960. Its totient is φ = 10206407232.

The previous prime is 11320202209. The next prime is 11320202239. The reversal of 11320202231 is 13220202311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320202231 is a prime.

It is a super-2 number, since 2×11320202231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320202239) 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, 10124846 + ... + 10125963.

It is an arithmetic number, because the mean of its divisors is an integer number (1559312370).

Almost surely, 2^11320202231 is an apocalyptic number.

11320202231 is a deficient number, since it is larger than the sum of its proper divisors (1154296729).

11320202231 is a wasteful number, since it uses less digits than its factorization.

11320202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20250865.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11320202231 its reverse (13220202311), we get a palindrome (24540404542).

The spelling of 11320202231 in words is "eleven billion, three hundred twenty million, two hundred two thousand, two hundred thirty-one".