20311142030433 has 12 divisors (see below), whose sum is σ = 29339839872720. Its totient is φ = 13540058150616.

The previous prime is 20311142030423. The next prime is 20311142030437. The reversal of 20311142030433 is 33403024111302.

It is a happy number.

20311142030433 is a `hidden beast` number, since 2 + 0 + 3 + 11 + 14 + 203 + 0 + 433 = 666.

It is not a de Polignac number, because 20311142030433 - 2⁵ = 20311142030401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20311142030397 and 20311142030406.

It is not an unprimeable number, because it can be changed into a prime (20311142030437) 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, 58417291 + ... + 58763952.

It is an arithmetic number, because the mean of its divisors is an integer number (2444986656060).

Almost surely, 2^{20311142030433} is an apocalyptic number.

It is an amenable number.

20311142030433 is a deficient number, since it is larger than the sum of its proper divisors (9028697842287).

20311142030433 is a wasteful number, since it uses less digits than its factorization.

20311142030433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117200508 (or 117200505 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20311142030433 its reverse (33403024111302), we get a palindrome (53714166141735).

The spelling of 20311142030433 in words is "twenty trillion, three hundred eleven billion, one hundred forty-two million, thirty thousand, four hundred thirty-three".