30211311131 has 2 divisors, whose sum is σ = 30211311132. Its totient is φ = 30211311130.

The previous prime is 30211311079. The next prime is 30211311149. The reversal of 30211311131 is 13111311203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30211311131 is a prime.

It is a super-3 number, since 3×30211311131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30211311191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105655565 + 15105655566.

It is an arithmetic number, because the mean of its divisors is an integer number (15105655566).

Almost surely, 2^30211311131 is an apocalyptic number.

30211311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211311131 is an equidigital number, since it uses as much as digits as its factorization.

30211311131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30211311131 its reverse (13111311203), we get a palindrome (43322622334).

The spelling of 30211311131 in words is "thirty billion, two hundred eleven million, three hundred eleven thousand, one hundred thirty-one".