30321542442 has 16 divisors (see below), whose sum is σ = 61179750720. Its totient is φ = 10017736512.

The previous prime is 30321542429. The next prime is 30321542443. The reversal of 30321542442 is 24424512303.

It is not an unprimeable number, because it can be changed into a prime (30321542443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22360342 + ... + 22361697.

It is an arithmetic number, because the mean of its divisors is an integer number (3823734420).

Almost surely, 2^30321542442 is an apocalyptic number.

30321542442 is an abundant number, since it is smaller than the sum of its proper divisors (30858208278).

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

30321542442 is a wasteful number, since it uses less digits than its factorization.

30321542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44722157.

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 30321542442 in words is "thirty billion, three hundred twenty-one million, five hundred forty-two thousand, four hundred forty-two".