30112020311 has 4 divisors (see below), whose sum is σ = 30115182624. Its totient is φ = 30108858000.

The previous prime is 30112020307. The next prime is 30112020347. The reversal of 30112020311 is 11302021103.

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 30112020311 - 2² = 30112020307 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 (30112020011) 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 3 ways as a sum of consecutive naturals, for example, 1566830 + ... + 1585931.

It is an arithmetic number, because the mean of its divisors is an integer number (7528795656).

Almost surely, 2^30112020311 is an apocalyptic number.

30112020311 is a deficient number, since it is larger than the sum of its proper divisors (3162313).

30112020311 is an equidigital number, since it uses as much as digits as its factorization.

30112020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162312.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30112020311 its reverse (11302021103), we get a palindrome (41414041414).

The spelling of 30112020311 in words is "thirty billion, one hundred twelve million, twenty thousand, three hundred eleven".