30311220230122 has 16 divisors (see below), whose sum is σ = 48964499566920. Its totient is φ = 13989730885632.

The previous prime is 30311220230107. The next prime is 30311220230141. The reversal of 30311220230122 is 22103202211303.

It can be written as a sum of positive squares in 4 ways, for example, as 22931733886681 + 7379486343441 = 4788709^2 + 2716521^2 .

It is a super-2 number, since 2×30311220230122² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30311220230093 and 30311220230102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522154 + ... + 8545642.

Almost surely, 2^{30311220230122} is an apocalyptic number.

30311220230122 is a deficient number, since it is larger than the sum of its proper divisors (18653279336798).

30311220230122 is a wasteful number, since it uses less digits than its factorization.

30311220230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255577.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30311220230122 its reverse (22103202211303), we get a palindrome (52414422441425).

The spelling of 30311220230122 in words is "thirty trillion, three hundred eleven billion, two hundred twenty million, two hundred thirty thousand, one hundred twenty-two".