11131230331 has 8 divisors (see below), whose sum is σ = 12311465264. Its totient is φ = 9997279200.

The previous prime is 11131230323. The next prime is 11131230359. The reversal of 11131230331 is 13303213111.

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 11131230331 - 2³ = 11131230323 is a prime.

It is a super-2 number, since 2×11131230331² (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 = 11131230299 and 11131230308.

It is not an unprimeable number, because it can be changed into a prime (11131230361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11570445 + ... + 11571406.

It is an arithmetic number, because the mean of its divisors is an integer number (1538933158).

Almost surely, 2^11131230331 is an apocalyptic number.

11131230331 is a deficient number, since it is larger than the sum of its proper divisors (1180234933).

11131230331 is a wasteful number, since it uses less digits than its factorization.

11131230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141901.

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

Adding to 11131230331 its reverse (13303213111), we get a palindrome (24434443442).

The spelling of 11131230331 in words is "eleven billion, one hundred thirty-one million, two hundred thirty thousand, three hundred thirty-one".