30221042434340 has 24 divisors (see below), whose sum is σ = 63550770574200. Its totient is φ = 12071925266688.

The previous prime is 30221042434273. The next prime is 30221042434343. The reversal of 30221042434340 is 4343424012203.

It can be written as a sum of positive squares in 4 ways, for example, as 4100438702116 + 26120603732224 = 2024954^2 + 5110832^2 .

It is a super-2 number, since 2×30221042434340² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221042434297 and 30221042434306.

It is not an unprimeable number, because it can be changed into a prime (30221042434343) 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, 1030716665 + ... + 1030745984.

It is an arithmetic number, because the mean of its divisors is an integer number (2647948773925).

Almost surely, 2^{30221042434340} is an apocalyptic number.

It is an amenable number.

30221042434340 is an abundant number, since it is smaller than the sum of its proper divisors (33329728139860).

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

30221042434340 is a wasteful number, since it uses less digits than its factorization.

30221042434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061463391 (or 2061463389 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 30221042434340 its reverse (4343424012203), we get a palindrome (34564466446543).

The spelling of 30221042434340 in words is "thirty trillion, two hundred twenty-one billion, forty-two million, four hundred thirty-four thousand, three hundred forty".