20212230031 has 8 divisors (see below), whose sum is σ = 23101762464. Its totient is φ = 17323215360.

The previous prime is 20212229957. The next prime is 20212230067. The reversal of 20212230031 is 13003221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212230031 is a prime.

It is a super-2 number, since 2×20212230031² (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 = 20212229987 and 20212230014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212230431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41830 + ... + 205363.

It is an arithmetic number, because the mean of its divisors is an integer number (2887720308).

Almost surely, 2^20212230031 is an apocalyptic number.

20212230031 is a deficient number, since it is larger than the sum of its proper divisors (2889532433).

20212230031 is a wasteful number, since it uses less digits than its factorization.

20212230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258881.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20212230031 its reverse (13003221202), we get a palindrome (33215451233).

The spelling of 20212230031 in words is "twenty billion, two hundred twelve million, two hundred thirty thousand, thirty-one".