30211111111331 has 8 divisors (see below), whose sum is σ = 30483775643904. Its totient is φ = 29938539729280.

The previous prime is 30211111111309. The next prime is 30211111111333. The reversal of 30211111111331 is 13311111111203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30211111111331 - 2⁶ = 30211111111267 is a prime.

It is a super-2 number, since 2×30211111111331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211111111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22635971 + ... + 23933436.

It is an arithmetic number, because the mean of its divisors is an integer number (3810471955488).

Almost surely, 2^{30211111111331} is an apocalyptic number.

30211111111331 is a deficient number, since it is larger than the sum of its proper divisors (272664532573).

30211111111331 is a wasteful number, since it uses less digits than its factorization.

30211111111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46575261.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 30211111111331 its reverse (13311111111203), we get a palindrome (43522222222534).

The spelling of 30211111111331 in words is "thirty trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, three hundred thirty-one".