11303120331 has 12 divisors (see below), whose sum is σ = 16371221152. Its totient is φ = 7514878896.

The previous prime is 11303120317. The next prime is 11303120333. The reversal of 11303120331 is 13302130311.

It is a happy number.

11303120331 is a `hidden beast` number, since 11 + 303 + 1 + 20 + 331 = 666.

It is not a de Polignac number, because 11303120331 - 2⁹ = 11303119819 is a prime.

It is a super-2 number, since 2×11303120331² (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 (11303120333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1707736 + ... + 1714341.

Almost surely, 2^11303120331 is an apocalyptic number.

11303120331 is a deficient number, since it is larger than the sum of its proper divisors (5068100821).

11303120331 is a wasteful number, since it uses less digits than its factorization.

11303120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422450 (or 3422447 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11303120331 its reverse (13302130311), we get a palindrome (24605250642).

The spelling of 11303120331 in words is "eleven billion, three hundred three million, one hundred twenty thousand, three hundred thirty-one".