30031221230111 has 16 divisors (see below), whose sum is σ = 30365375022720. Its totient is φ = 29698080725280.

The previous prime is 30031221230053. The next prime is 30031221230167. The reversal of 30031221230111 is 11103212213003.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30031221230111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031221238111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292687760 + ... + 292790346.

It is an arithmetic number, because the mean of its divisors is an integer number (1897835938920).

Almost surely, 2^{30031221230111} is an apocalyptic number.

30031221230111 is a deficient number, since it is larger than the sum of its proper divisors (334153792609).

30031221230111 is a wasteful number, since it uses less digits than its factorization.

30031221230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107494.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30031221230111 its reverse (11103212213003), we get a palindrome (41134433443114).

The spelling of 30031221230111 in words is "thirty trillion, thirty-one billion, two hundred twenty-one million, two hundred thirty thousand, one hundred eleven".