11323304031 has 12 divisors (see below), whose sum is σ = 16348439688. Its totient is φ = 6968186784.

The previous prime is 11323304009. The next prime is 11323304033. The reversal of 11323304031 is 13040332311.

It is not a de Polignac number, because 11323304031 - 2¹⁰ = 11323303007 is a prime.

It is a super-2 number, since 2×11323304031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11323303989 and 11323304007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323304033) 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, 11166460 + ... + 11167473.

It is an arithmetic number, because the mean of its divisors is an integer number (1362369974).

Almost surely, 2^11323304031 is an apocalyptic number.

11323304031 is a deficient number, since it is larger than the sum of its proper divisors (5025135657).

11323304031 is a wasteful number, since it uses less digits than its factorization.

11323304031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333962 (or 22333949 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11323304031 its reverse (13040332311), we get a palindrome (24363636342).

The spelling of 11323304031 in words is "eleven billion, three hundred twenty-three million, three hundred four thousand, thirty-one".