20323301331 has 12 divisors (see below), whose sum is σ = 28327124168. Its totient is φ = 12959785344.

The previous prime is 20323301311. The next prime is 20323301333. The reversal of 20323301331 is 13310332302.

It is not a de Polignac number, because 20323301331 - 2³⁰ = 19249559507 is a prime.

It is a super-2 number, since 2×20323301331² (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 = 20323301298 and 20323301307.

It is not an unprimeable number, because it can be changed into a prime (20323301333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6401470 + ... + 6404643.

Almost surely, 2^20323301331 is an apocalyptic number.

20323301331 is a deficient number, since it is larger than the sum of its proper divisors (8003822837).

20323301331 is a wasteful number, since it uses less digits than its factorization.

20323301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806162 (or 12806139 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20323301331 its reverse (13310332302), we get a palindrome (33633633633).

The spelling of 20323301331 in words is "twenty billion, three hundred twenty-three million, three hundred one thousand, three hundred thirty-one".