30311130222 has 24 divisors (see below), whose sum is σ = 65679142464. Its totient is φ = 10102936704.

The previous prime is 30311130209. The next prime is 30311130253. The reversal of 30311130222 is 22203111303.

30311130222 is a `hidden beast` number, since 3 + 0 + 311 + 130 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30311130195 and 30311130204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208483 + ... + 322625.

It is an arithmetic number, because the mean of its divisors is an integer number (2736630936).

Almost surely, 2^30311130222 is an apocalyptic number.

30311130222 is an abundant number, since it is smaller than the sum of its proper divisors (35368012242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311130222 is a wasteful number, since it uses less digits than its factorization.

30311130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128904 (or 128901 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30311130222 its reverse (22203111303), we get a palindrome (52514241525).

It can be divided in two parts, 303111 and 30222, that added together give a palindrome (333333).

The spelling of 30311130222 in words is "thirty billion, three hundred eleven million, one hundred thirty thousand, two hundred twenty-two".