30220231311 has 24 divisors (see below), whose sum is σ = 45108896976. Its totient is φ = 19483430400.

The previous prime is 30220231297. The next prime is 30220231313. The reversal of 30220231311 is 11313202203.

30220231311 is a `hidden beast` number, since 302 + 20 + 2 + 31 + 311 = 666.

It is not a de Polignac number, because 30220231311 - 2²⁵ = 30186676879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220231313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347490 + ... + 425663.

It is an arithmetic number, because the mean of its divisors is an integer number (1879537374).

Almost surely, 2^30220231311 is an apocalyptic number.

30220231311 is a deficient number, since it is larger than the sum of its proper divisors (14888665665).

30220231311 is a wasteful number, since it uses less digits than its factorization.

30220231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773303 (or 773300 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30220231311 its reverse (11313202203), we get a palindrome (41533433514).

The spelling of 30220231311 in words is "thirty billion, two hundred twenty million, two hundred thirty-one thousand, three hundred eleven".