30020220012031 has 4 divisors (see below), whose sum is σ = 30020558002792. Its totient is φ = 30019882021272.

The previous prime is 30020220012023. The next prime is 30020220012043. The reversal of 30020220012031 is 13021002202003.

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 30020220012031 - 2³ = 30020220012023 is a prime.

It is a super-2 number, since 2×30020220012031² (a number of 28 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 = 30020220011996 and 30020220012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020220012631) 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, 168862116 + ... + 169039801.

It is an arithmetic number, because the mean of its divisors is an integer number (7505139500698).

Almost surely, 2^{30020220012031} is an apocalyptic number.

30020220012031 is a deficient number, since it is larger than the sum of its proper divisors (337990761).

30020220012031 is an equidigital number, since it uses as much as digits as its factorization.

30020220012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337990760.

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

Adding to 30020220012031 its reverse (13021002202003), we get a palindrome (43041222214034).

The spelling of 30020220012031 in words is "thirty trillion, twenty billion, two hundred twenty million, twelve thousand, thirty-one".