30211111111311 has 96 divisors (see below), whose sum is σ = 50140585377792. Its totient is φ = 17384298243840.

The previous prime is 30211111111309. The next prime is 30211111111333. The reversal of 30211111111311 is 11311111111203.

It is a happy number.

30211111111311 is a `hidden beast` number, since 30 + 211 + 1 + 1 + 1 + 111 + 311 = 666.

It is not a de Polignac number, because 30211111111311 - 2¹ = 30211111111309 is a prime.

It is a super-2 number, since 2×30211111111311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211111111301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107744866 + ... + 108024896.

It is an arithmetic number, because the mean of its divisors is an integer number (522297764352).

Almost surely, 2^{30211111111311} is an apocalyptic number.

30211111111311 is a deficient number, since it is larger than the sum of its proper divisors (19929474266481).

30211111111311 is a wasteful number, since it uses less digits than its factorization.

30211111111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280973 (or 280970 counting only the distinct ones).

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

Adding to 30211111111311 its reverse (11311111111203), we get a palindrome (41522222222514).

The spelling of 30211111111311 in words is "thirty trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, three hundred eleven".