30221400200531 has 2 divisors, whose sum is σ = 30221400200532. Its totient is φ = 30221400200530.

The previous prime is 30221400200501. The next prime is 30221400200573. The reversal of 30221400200531 is 13500200412203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30221400200531 - 2¹⁴ = 30221400184147 is a prime.

It is a super-2 number, since 2×30221400200531² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221400200497 and 30221400200506.

It is not a weakly prime, because it can be changed into another prime (30221400200501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110700100265 + 15110700100266.

It is an arithmetic number, because the mean of its divisors is an integer number (15110700100266).

Almost surely, 2^{30221400200531} is an apocalyptic number.

30221400200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221400200531 is an equidigital number, since it uses as much as digits as its factorization.

30221400200531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 30221400200531 its reverse (13500200412203), we get a palindrome (43721600612734).

The spelling of 30221400200531 in words is "thirty trillion, two hundred twenty-one billion, four hundred million, two hundred thousand, five hundred thirty-one".