11303212331 has 16 divisors (see below), whose sum is σ = 12107294784. Its totient is φ = 10515308544.

The previous prime is 11303212307. The next prime is 11303212337. The reversal of 11303212331 is 13321230311.

11303212331 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 11303212331 - 2¹⁰ = 11303211307 is a prime.

It is a super-2 number, since 2×11303212331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303212337) 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, 504146 + ... + 526088.

It is an arithmetic number, because the mean of its divisors is an integer number (756705924).

Almost surely, 2^11303212331 is an apocalyptic number.

11303212331 is a deficient number, since it is larger than the sum of its proper divisors (804082453).

11303212331 is a wasteful number, since it uses less digits than its factorization.

11303212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11303212331 its reverse (13321230311), we get a palindrome (24624442642).

The spelling of 11303212331 in words is "eleven billion, three hundred three million, two hundred twelve thousand, three hundred thirty-one".