30000021311311 has 16 divisors (see below), whose sum is σ = 31643416000000. Its totient is φ = 28363075442496.

The previous prime is 30000021311291. The next prime is 30000021311327. The reversal of 30000021311311 is 11311312000003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30000021311311 is a prime.

It is a super-2 number, since 2×30000021311311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000021611311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413420650 + ... + 413493208.

It is an arithmetic number, because the mean of its divisors is an integer number (1977713500000).

Almost surely, 2^{30000021311311} is an apocalyptic number.

30000021311311 is a deficient number, since it is larger than the sum of its proper divisors (1643394688689).

30000021311311 is a wasteful number, since it uses less digits than its factorization.

30000021311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116686.

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

Adding to 30000021311311 its reverse (11311312000003), we get a palindrome (41311333311314).

The spelling of 30000021311311 in words is "thirty trillion, twenty-one million, three hundred eleven thousand, three hundred eleven".