30443432142 has 64 divisors (see below), whose sum is σ = 66054320640. Its totient is φ = 9316521984.

The previous prime is 30443432111. The next prime is 30443432161. The reversal of 30443432142 is 24123434403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3675718 + ... + 3683990.

It is an arithmetic number, because the mean of its divisors is an integer number (1032098760).

Almost surely, 2^30443432142 is an apocalyptic number.

30443432142 is an abundant number, since it is smaller than the sum of its proper divisors (35610888498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30443432142 is a wasteful number, since it uses less digits than its factorization.

30443432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 30443432142 its reverse (24123434403), we get a palindrome (54566866545).

The spelling of 30443432142 in words is "thirty billion, four hundred forty-three million, four hundred thirty-two thousand, one hundred forty-two".