30220311220031 has 4 divisors (see below), whose sum is σ = 30220351759464. Its totient is φ = 30220270680600.

The previous prime is 30220311220019. The next prime is 30220311220049. The reversal of 30220311220031 is 13002211302203.

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 30220311220031 - 2¹⁴ = 30220311203647 is a prime.

It is a super-2 number, since 2×30220311220031² (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 = 30220311219985 and 30220311220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220311220531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19130180 + ... + 20649561.

It is an arithmetic number, because the mean of its divisors is an integer number (7555087939866).

Almost surely, 2^{30220311220031} is an apocalyptic number.

30220311220031 is a deficient number, since it is larger than the sum of its proper divisors (40539433).

30220311220031 is an equidigital number, since it uses as much as digits as its factorization.

30220311220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40539432.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30220311220031 its reverse (13002211302203), we get a palindrome (43222522522234).

The spelling of 30220311220031 in words is "thirty trillion, two hundred twenty billion, three hundred eleven million, two hundred twenty thousand, thirty-one".