20210030231 has 8 divisors (see below), whose sum is σ = 20543622624. Its totient is φ = 19876511520.

The previous prime is 20210030227. The next prime is 20210030233. The reversal of 20210030231 is 13203001202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20210030231 - 2² = 20210030227 is a prime.

It is a super-2 number, since 2×20210030231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210030233) 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, 951281 + ... + 972293.

It is an arithmetic number, because the mean of its divisors is an integer number (2567952828).

Almost surely, 2^20210030231 is an apocalyptic number.

20210030231 is a deficient number, since it is larger than the sum of its proper divisors (333592393).

20210030231 is a wasteful number, since it uses less digits than its factorization.

20210030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36841.

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

Adding to 20210030231 its reverse (13203001202), we get a palindrome (33413031433).

The spelling of 20210030231 in words is "twenty billion, two hundred ten million, thirty thousand, two hundred thirty-one".