30421304342 has 48 divisors (see below), whose sum is σ = 55158003648. Its totient is φ = 12467276640.

The previous prime is 30421304341. The next prime is 30421304351. The reversal of 30421304342 is 24340312403.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421304341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64733 + ... + 255015.

It is an arithmetic number, because the mean of its divisors is an integer number (1149125076).

Almost surely, 2^30421304342 is an apocalyptic number.

30421304342 is a deficient number, since it is larger than the sum of its proper divisors (24736699306).

30421304342 is a wasteful number, since it uses less digits than its factorization.

30421304342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190365 (or 190352 counting only the distinct ones).

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

Adding to 30421304342 its reverse (24340312403), we get a palindrome (54761616745).

The spelling of 30421304342 in words is "thirty billion, four hundred twenty-one million, three hundred four thousand, three hundred forty-two".