30421340342 has 8 divisors (see below), whose sum is σ = 46405434600. Its totient is φ = 14952862144.

The previous prime is 30421340311. The next prime is 30421340347. The reversal of 30421340342 is 24304312403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421340347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128903867 + ... + 128904102.

It is an arithmetic number, because the mean of its divisors is an integer number (5800679325).

Almost surely, 2^30421340342 is an apocalyptic number.

30421340342 is a deficient number, since it is larger than the sum of its proper divisors (15984094258).

30421340342 is a wasteful number, since it uses less digits than its factorization.

30421340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257808030.

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

Adding to 30421340342 its reverse (24304312403), we get a palindrome (54725652745).

The spelling of 30421340342 in words is "thirty billion, four hundred twenty-one million, three hundred forty thousand, three hundred forty-two".