30112210211311 has 4 divisors (see below), whose sum is σ = 30112222463352. Its totient is φ = 30112197959272.

The previous prime is 30112210211269. The next prime is 30112210211327. The reversal of 30112210211311 is 11311201221103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30112210211311 - 2³¹ = 30110062727663 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 (30112210211341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021816 + ... + 7827421.

It is an arithmetic number, because the mean of its divisors is an integer number (7528055615838).

Almost surely, 2^{30112210211311} is an apocalyptic number.

30112210211311 is a deficient number, since it is larger than the sum of its proper divisors (12252041).

30112210211311 is an equidigital number, since it uses as much as digits as its factorization.

30112210211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252040.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 30112210211311 its reverse (11311201221103), we get a palindrome (41423411432414).

The spelling of 30112210211311 in words is "thirty trillion, one hundred twelve billion, two hundred ten million, two hundred eleven thousand, three hundred eleven".