30023220311 has 32 divisors (see below), whose sum is σ = 37778970240. Its totient is φ = 23263543296.

The previous prime is 30023220281. The next prime is 30023220323. The reversal of 30023220311 is 11302232003.

It is not a de Polignac number, because 30023220311 - 2¹⁰ = 30023219287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30023220311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023220011) 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 31 ways as a sum of consecutive naturals, for example, 643505 + ... + 688581.

It is an arithmetic number, because the mean of its divisors is an integer number (1180592820).

Almost surely, 2^30023220311 is an apocalyptic number.

30023220311 is a deficient number, since it is larger than the sum of its proper divisors (7755749929).

30023220311 is a wasteful number, since it uses less digits than its factorization.

30023220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45323.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30023220311 its reverse (11302232003), we get a palindrome (41325452314).

The spelling of 30023220311 in words is "thirty billion, twenty-three million, two hundred twenty thousand, three hundred eleven".