30451343420 has 48 divisors (see below), whose sum is σ = 64117418400. Its totient is φ = 12148289280.

The previous prime is 30451343401. The next prime is 30451343459. The reversal of 30451343420 is 2434315403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20870651 + ... + 20872109.

It is an arithmetic number, because the mean of its divisors is an integer number (1335779550).

Almost surely, 2^30451343420 is an apocalyptic number.

It is an amenable number.

30451343420 is an abundant number, since it is smaller than the sum of its proper divisors (33666074980).

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

30451343420 is a wasteful number, since it uses less digits than its factorization.

30451343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30451343420 its reverse (2434315403), we get a palindrome (32885658823).

The spelling of 30451343420 in words is "thirty billion, four hundred fifty-one million, three hundred forty-three thousand, four hundred twenty".