30000001220311 has 2 divisors, whose sum is σ = 30000001220312. Its totient is φ = 30000001220310.

The previous prime is 30000001220143. The next prime is 30000001220393. The reversal of 30000001220311 is 11302210000003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30000001220311 - 2¹¹ = 30000001218263 is a prime.

It is a super-2 number, since 2×30000001220311² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30000001220291 and 30000001220300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000001227311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000000610155 + 15000000610156.

It is an arithmetic number, because the mean of its divisors is an integer number (15000000610156).

Almost surely, 2^{30000001220311} is an apocalyptic number.

30000001220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000001220311 is an equidigital number, since it uses as much as digits as its factorization.

30000001220311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30000001220311 its reverse (11302210000003), we get a palindrome (41302211220314).

The spelling of 30000001220311 in words is "thirty trillion, one million, two hundred twenty thousand, three hundred eleven".