30621045322361 has 8 divisors (see below), whose sum is σ = 33005110979400. Its totient is φ = 28241065469952.

The previous prime is 30621045322313. The next prime is 30621045322393. The reversal of 30621045322361 is 16322354012603.

It can be written as a sum of positive squares in 4 ways, for example, as 7419059202025 + 23201986120336 = 2723795^2 + 4816844^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30621045322361 - 2⁴² = 26222998811257 is a prime.

It is a super-2 number, since 2×30621045322361² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30621045324361) 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, 1021435586 + ... + 1021465563.

It is an arithmetic number, because the mean of its divisors is an integer number (4125638872425).

Almost surely, 2^{30621045322361} is an apocalyptic number.

It is an amenable number.

30621045322361 is a deficient number, since it is larger than the sum of its proper divisors (2384065657039).

30621045322361 is a wasteful number, since it uses less digits than its factorization.

30621045322361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042902315.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 30621045322361 its reverse (16322354012603), we get a palindrome (46943399334964).

The spelling of 30621045322361 in words is "thirty trillion, six hundred twenty-one billion, forty-five million, three hundred twenty-two thousand, three hundred sixty-one".