30020226231851 has 2 divisors, whose sum is σ = 30020226231852. Its totient is φ = 30020226231850.

The previous prime is 30020226231847. The next prime is 30020226231869. The reversal of 30020226231851 is 15813262202003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30020226231851 - 2² = 30020226231847 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30020226234851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010113115925 + 15010113115926.

It is an arithmetic number, because the mean of its divisors is an integer number (15010113115926).

Almost surely, 2^{30020226231851} is an apocalyptic number.

30020226231851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020226231851 is an equidigital number, since it uses as much as digits as its factorization.

30020226231851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 30020226231851 its reverse (15813262202003), we get a palindrome (45833488433854).

The spelling of 30020226231851 in words is "thirty trillion, twenty billion, two hundred twenty-six million, two hundred thirty-one thousand, eight hundred fifty-one".