30311213122 has 32 divisors (see below), whose sum is σ = 46533199680. Its totient is φ = 14804475840.

The previous prime is 30311213117. The next prime is 30311213131. The reversal of 30311213122 is 22131211303.

It is a self number, because there is not a number n which added to its sum of digits gives 30311213122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8736004 + ... + 8739472.

It is an arithmetic number, because the mean of its divisors is an integer number (1454162490).

Almost surely, 2^30311213122 is an apocalyptic number.

30311213122 is a deficient number, since it is larger than the sum of its proper divisors (16221986558).

30311213122 is a wasteful number, since it uses less digits than its factorization.

30311213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30311213122 its reverse (22131211303), we get a palindrome (52442424425).

The spelling of 30311213122 in words is "thirty billion, three hundred eleven million, two hundred thirteen thousand, one hundred twenty-two".