30310000211 has 4 divisors (see below), whose sum is σ = 31905263400. Its totient is φ = 28714737024.

The previous prime is 30310000207. The next prime is 30310000229. The reversal of 30310000211 is 11200001303.

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 30310000211 - 2² = 30310000207 is a prime.

It is a super-2 number, since 2×30310000211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30310000192 and 30310000201.

It is not an unprimeable number, because it can be changed into a prime (30310000711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797631566 + ... + 797631603.

It is an arithmetic number, because the mean of its divisors is an integer number (7976315850).

Almost surely, 2^30310000211 is an apocalyptic number.

30310000211 is a deficient number, since it is larger than the sum of its proper divisors (1595263189).

30310000211 is a wasteful number, since it uses less digits than its factorization.

30310000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595263188.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30310000211 its reverse (11200001303), we get a palindrome (41510001514).

The spelling of 30310000211 in words is "thirty billion, three hundred ten million, two hundred eleven", and thus it is an aban number.