30211113142 has 16 divisors (see below), whose sum is σ = 51895971072. Its totient is φ = 12921247080.

The previous prime is 30211113133. The next prime is 30211113143. The reversal of 30211113142 is 24131111203.

It is a super-3 number, since 3×30211113142³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211113143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190618 + ... + 2204365.

It is an arithmetic number, because the mean of its divisors is an integer number (3243498192).

Almost surely, 2^30211113142 is an apocalyptic number.

30211113142 is a deficient number, since it is larger than the sum of its proper divisors (21684857930).

30211113142 is a wasteful number, since it uses less digits than its factorization.

30211113142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395483.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30211113142 its reverse (24131111203), we get a palindrome (54342224345).

The spelling of 30211113142 in words is "thirty billion, two hundred eleven million, one hundred thirteen thousand, one hundred forty-two".