30320131111 has 4 divisors (see below), whose sum is σ = 31139594152. Its totient is φ = 29500668072.

The previous prime is 30320131103. The next prime is 30320131123. The reversal of 30320131111 is 11113102303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30320131111 - 2³ = 30320131103 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 (30320131181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409731465 + ... + 409731538.

It is an arithmetic number, because the mean of its divisors is an integer number (7784898538).

Almost surely, 2^30320131111 is an apocalyptic number.

30320131111 is a deficient number, since it is larger than the sum of its proper divisors (819463041).

30320131111 is an equidigital number, since it uses as much as digits as its factorization.

30320131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819463040.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30320131111 its reverse (11113102303), we get a palindrome (41433233414).

The spelling of 30320131111 in words is "thirty billion, three hundred twenty million, one hundred thirty-one thousand, one hundred eleven".