30321022205142 has 48 divisors (see below), whose sum is σ = 67266132775920. Its totient is φ = 9868048920576.

The previous prime is 30321022205093. The next prime is 30321022205179. The reversal of 30321022205142 is 24150222012303.

30321022205142 is a `hidden beast` number, since 30 + 321 + 0 + 2 + 220 + 51 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111110667 + ... + 111383222.

It is an arithmetic number, because the mean of its divisors is an integer number (1401377766165).

Almost surely, 2^{30321022205142} is an apocalyptic number.

30321022205142 is an abundant number, since it is smaller than the sum of its proper divisors (36945110570778).

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

30321022205142 is a wasteful number, since it uses less digits than its factorization.

30321022205142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222494077 (or 222494074 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30321022205142 its reverse (24150222012303), we get a palindrome (54471244217445).

The spelling of 30321022205142 in words is "thirty trillion, three hundred twenty-one billion, twenty-two million, two hundred five thousand, one hundred forty-two".