11131243301 has 4 divisors (see below), whose sum is σ = 11142568032. Its totient is φ = 11119918572.

The previous prime is 11131243273. The next prime is 11131243303. The reversal of 11131243301 is 10334213111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10334213111 = 58921 ⋅175391.

It is a cyclic number.

It is not a de Polignac number, because 11131243301 - 2⁶ = 11131243237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131243303) 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, 5660891 + ... + 5662856.

It is an arithmetic number, because the mean of its divisors is an integer number (2785642008).

Almost surely, 2^11131243301 is an apocalyptic number.

It is an amenable number.

11131243301 is a deficient number, since it is larger than the sum of its proper divisors (11324731).

11131243301 is an equidigital number, since it uses as much as digits as its factorization.

11131243301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324730.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11131243301 its reverse (10334213111), we get a palindrome (21465456412).

The spelling of 11131243301 in words is "eleven billion, one hundred thirty-one million, two hundred forty-three thousand, three hundred one".