20233411031 has 4 divisors (see below), whose sum is σ = 20239118952. Its totient is φ = 20227703112.

The previous prime is 20233411027. The next prime is 20233411061. The reversal of 20233411031 is 13011433202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13011433202 = 2 ⋅6505716601.

It is a cyclic number.

It is not a de Polignac number, because 20233411031 - 2² = 20233411027 is a prime.

It is a super-2 number, since 2×20233411031² (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 = 20233410994 and 20233411012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233411021) 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 3 ways as a sum of consecutive naturals, for example, 2848640 + ... + 2855733.

It is an arithmetic number, because the mean of its divisors is an integer number (5059779738).

Almost surely, 2^20233411031 is an apocalyptic number.

20233411031 is a deficient number, since it is larger than the sum of its proper divisors (5707921).

20233411031 is an equidigital number, since it uses as much as digits as its factorization.

20233411031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707920.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20233411031 its reverse (13011433202), we get a palindrome (33244844233).

The spelling of 20233411031 in words is "twenty billion, two hundred thirty-three million, four hundred eleven thousand, thirty-one".