30443323142 has 16 divisors (see below), whose sum is σ = 47142352512. Its totient is φ = 14729295360.

The previous prime is 30443323139. The next prime is 30443323147. The reversal of 30443323142 is 24132334403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443323147) 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, 1167398 + ... + 1193190.

It is an arithmetic number, because the mean of its divisors is an integer number (2946397032).

Almost surely, 2^30443323142 is an apocalyptic number.

30443323142 is a deficient number, since it is larger than the sum of its proper divisors (16699029370).

30443323142 is a wasteful number, since it uses less digits than its factorization.

30443323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44863.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30443323142 its reverse (24132334403), we get a palindrome (54575657545).

The spelling of 30443323142 in words is "thirty billion, four hundred forty-three million, three hundred twenty-three thousand, one hundred forty-two".