30330221142 has 16 divisors (see below), whose sum is σ = 65326630320. Its totient is φ = 9332375712.

The previous prime is 30330221137. The next prime is 30330221147. The reversal of 30330221142 is 24112203303.

It is an interprime number because it is at equal distance from previous prime (30330221137) and next prime (30330221147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330221147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194424417 + ... + 194424572.

It is an arithmetic number, because the mean of its divisors is an integer number (4082914395).

Almost surely, 2^30330221142 is an apocalyptic number.

30330221142 is an abundant number, since it is smaller than the sum of its proper divisors (34996409178).

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

30330221142 is a wasteful number, since it uses less digits than its factorization.

30330221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388849007.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30330221142 its reverse (24112203303), we get a palindrome (54442424445).

The spelling of 30330221142 in words is "thirty billion, three hundred thirty million, two hundred twenty-one thousand, one hundred forty-two".