20233030031 has 4 divisors (see below), whose sum is σ = 20234229192. Its totient is φ = 20231830872.

The previous prime is 20233030021. The next prime is 20233030033. The reversal of 20233030031 is 13003033202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20233030031 - 2³⁰ = 19159288207 is a prime.

It is a super-2 number, since 2×20233030031² (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 = 20233029991 and 20233030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233030033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573905 + ... + 608138.

It is an arithmetic number, because the mean of its divisors is an integer number (5058557298).

Almost surely, 2^20233030031 is an apocalyptic number.

20233030031 is a deficient number, since it is larger than the sum of its proper divisors (1199161).

20233030031 is a wasteful number, since it uses less digits than its factorization.

20233030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199160.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20233030031 its reverse (13003033202), we get a palindrome (33236063233).

The spelling of 20233030031 in words is "twenty billion, two hundred thirty-three million, thirty thousand, thirty-one".