20221030031 has 4 divisors (see below), whose sum is σ = 20222412672. Its totient is φ = 20219647392.

The previous prime is 20221029977. The next prime is 20221030061. The reversal of 20221030031 is 13003012202.

It is a happy number.

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 20221030031 - 2³⁴ = 3041160847 is a prime.

It is a super-2 number, since 2×20221030031² (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 = 20221029988 and 20221030015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221030061) 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, 669146 + ... + 698711.

It is an arithmetic number, because the mean of its divisors is an integer number (5055603168).

Almost surely, 2^20221030031 is an apocalyptic number.

20221030031 is a deficient number, since it is larger than the sum of its proper divisors (1382641).

20221030031 is a wasteful number, since it uses less digits than its factorization.

20221030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382640.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20221030031 its reverse (13003012202), we get a palindrome (33224042233).

The spelling of 20221030031 in words is "twenty billion, two hundred twenty-one million, thirty thousand, thirty-one".