11301231331 has 16 divisors (see below), whose sum is σ = 12814986240. Its totient is φ = 9879870240.

The previous prime is 11301231329. The next prime is 11301231367. The reversal of 11301231331 is 13313210311.

11301231331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11301231331 - 2¹ = 11301231329 is a prime.

It is a super-2 number, since 2×11301231331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 11301231299 and 11301231308.

It is not an unprimeable number, because it can be changed into a prime (11301231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347156 + ... + 1355518.

It is an arithmetic number, because the mean of its divisors is an integer number (800936640).

Almost surely, 2^11301231331 is an apocalyptic number.

11301231331 is a deficient number, since it is larger than the sum of its proper divisors (1513754909).

11301231331 is a wasteful number, since it uses less digits than its factorization.

11301231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11301231331 its reverse (13313210311), we get a palindrome (24614441642).

The spelling of 11301231331 in words is "eleven billion, three hundred one million, two hundred thirty-one thousand, three hundred thirty-one".