30311103011 has 6 divisors (see below), whose sum is σ = 35259854580. Its totient is φ = 25980945396.

The previous prime is 30311102951. The next prime is 30311103013. The reversal of 30311103011 is 11030111303.

It is a happy number.

It is not a de Polignac number, because 30311103011 - 2¹⁰ = 30311101987 is a prime.

It is a super-2 number, since 2×30311103011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311103013) 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 5 ways as a sum of consecutive naturals, for example, 309296921 + ... + 309297018.

It is an arithmetic number, because the mean of its divisors is an integer number (5876642430).

Almost surely, 2^30311103011 is an apocalyptic number.

30311103011 is a deficient number, since it is larger than the sum of its proper divisors (4948751569).

30311103011 is an equidigital number, since it uses as much as digits as its factorization.

30311103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618593953 (or 618593946 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 30311103011 its reverse (11030111303), we get a palindrome (41341214314).

The spelling of 30311103011 in words is "thirty billion, three hundred eleven million, one hundred three thousand, eleven".