30122312011 has 8 divisors (see below), whose sum is σ = 32873038848. Its totient is φ = 27373641000.

The previous prime is 30122312009. The next prime is 30122312039. The reversal of 30122312011 is 11021322103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30122312011 - 2¹ = 30122312009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122312041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483235 + ... + 541996.

It is an arithmetic number, because the mean of its divisors is an integer number (4109129856).

Almost surely, 2^30122312011 is an apocalyptic number.

30122312011 is a deficient number, since it is larger than the sum of its proper divisors (2750726837).

30122312011 is a wasteful number, since it uses less digits than its factorization.

30122312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027913.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30122312011 its reverse (11021322103), we get a palindrome (41143634114).

The spelling of 30122312011 in words is "thirty billion, one hundred twenty-two million, three hundred twelve thousand, eleven".