30321738534 has 32 divisors (see below), whose sum is σ = 63325785600. Its totient is φ = 9660828672.

The previous prime is 30321738527. The next prime is 30321738553. The reversal of 30321738534 is 43583712303.

It is a junction number, because it is equal to n+sod(n) for n = 30321738492 and 30321738501.

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, 114534 + ... + 271590.

It is an arithmetic number, because the mean of its divisors is an integer number (1978930800).

Almost surely, 2^30321738534 is an apocalyptic number.

30321738534 is an abundant number, since it is smaller than the sum of its proper divisors (33004047066).

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

30321738534 is a wasteful number, since it uses less digits than its factorization.

30321738534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158484.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 30321738534 in words is "thirty billion, three hundred twenty-one million, seven hundred thirty-eight thousand, five hundred thirty-four".