30312214311 has 16 divisors (see below), whose sum is σ = 40515584000. Its totient is φ = 20158541280.

The previous prime is 30312214267. The next prime is 30312214379. The reversal of 30312214311 is 11341221303.

It is a de Polignac number, because none of the positive numbers 2^k-30312214311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312214511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3239706 + ... + 3249048.

It is an arithmetic number, because the mean of its divisors is an integer number (2532224000).

Almost surely, 2^30312214311 is an apocalyptic number.

30312214311 is a deficient number, since it is larger than the sum of its proper divisors (10203369689).

30312214311 is a wasteful number, since it uses less digits than its factorization.

30312214311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30312214311 its reverse (11341221303), we get a palindrome (41653435614).

The spelling of 30312214311 in words is "thirty billion, three hundred twelve million, two hundred fourteen thousand, three hundred eleven".