11243001331 has 8 divisors (see below), whose sum is σ = 11408080320. Its totient is φ = 11079073152.

The previous prime is 11243001293. The next prime is 11243001373. The reversal of 11243001331 is 13310034211.

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

It is a cyclic number.

It is not a de Polignac number, because 11243001331 - 2¹⁷ = 11242870259 is a prime.

It is a super-2 number, since 2×11243001331² (a number of 21 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 = 11243001299 and 11243001308.

It is not an unprimeable number, because it can be changed into a prime (11243008331) 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, 268011 + ... + 307108.

It is an arithmetic number, because the mean of its divisors is an integer number (1426010040).

Almost surely, 2^11243001331 is an apocalyptic number.

11243001331 is a deficient number, since it is larger than the sum of its proper divisors (165078989).

11243001331 is a wasteful number, since it uses less digits than its factorization.

11243001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575405.

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

Adding to 11243001331 its reverse (13310034211), we get a palindrome (24553035542).

The spelling of 11243001331 in words is "eleven billion, two hundred forty-three million, one thousand, three hundred thirty-one".