30430421342 has 4 divisors (see below), whose sum is σ = 45645632016. Its totient is φ = 15215210670.

The previous prime is 30430421339. The next prime is 30430421347. The reversal of 30430421342 is 24312403403.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430421347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607605334 + ... + 7607605337.

It is an arithmetic number, because the mean of its divisors is an integer number (11411408004).

Almost surely, 2^30430421342 is an apocalyptic number.

30430421342 is a deficient number, since it is larger than the sum of its proper divisors (15215210674).

30430421342 is a wasteful number, since it uses less digits than its factorization.

30430421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215210673.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30430421342 its reverse (24312403403), we get a palindrome (54742824745).

The spelling of 30430421342 in words is "thirty billion, four hundred thirty million, four hundred twenty-one thousand, three hundred forty-two".