30220020231 has 8 divisors (see below), whose sum is σ = 40298596464. Its totient is φ = 20144062080.

The previous prime is 30220020217. The next prime is 30220020269. The reversal of 30220020231 is 13202002203.

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

It is not a de Polignac number, because 30220020231 - 2⁹ = 30220019719 is a prime.

It is a super-2 number, since 2×30220020231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30220020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220020631) 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, 627426 + ... + 673871.

It is an arithmetic number, because the mean of its divisors is an integer number (5037324558).

Almost surely, 2^30220020231 is an apocalyptic number.

30220020231 is a deficient number, since it is larger than the sum of its proper divisors (10078576233).

30220020231 is a wasteful number, since it uses less digits than its factorization.

30220020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309041.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220020231 its reverse (13202002203), we get a palindrome (43422022434).

The spelling of 30220020231 in words is "thirty billion, two hundred twenty million, twenty thousand, two hundred thirty-one".