30020002203281 has 2 divisors, whose sum is σ = 30020002203282. Its totient is φ = 30020002203280.

The previous prime is 30020002203227. The next prime is 30020002203293. The reversal of 30020002203281 is 18230220002003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16580328891025 + 13439673312256 = 4071895^2 + 3666016^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020002203281 - 2²² = 30019998008977 is a prime.

It is a super-2 number, since 2×30020002203281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30020002203211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010001101640 + 15010001101641.

It is an arithmetic number, because the mean of its divisors is an integer number (15010001101641).

Almost surely, 2^{30020002203281} is an apocalyptic number.

It is an amenable number.

30020002203281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020002203281 is an equidigital number, since it uses as much as digits as its factorization.

30020002203281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30020002203281 its reverse (18230220002003), we get a palindrome (48250222205284).

The spelling of 30020002203281 in words is "thirty trillion, twenty billion, two million, two hundred three thousand, two hundred eighty-one".