6430221366131 has 2 divisors, whose sum is σ = 6430221366132. Its totient is φ = 6430221366130.

The previous prime is 6430221366103. The next prime is 6430221366157. The reversal of 6430221366131 is 1316631220346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6430221366131 - 2¹⁸ = 6430221103987 is a prime.

It is a super-2 number, since 2×6430221366131² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6430221366031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215110683065 + 3215110683066.

It is an arithmetic number, because the mean of its divisors is an integer number (3215110683066).

Almost surely, 2^{6430221366131} is an apocalyptic number.

6430221366131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430221366131 is an equidigital number, since it uses as much as digits as its factorization.

6430221366131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 6430221366131 its reverse (1316631220346), we get a palindrome (7746852586477).

The spelling of 6430221366131 in words is "six trillion, four hundred thirty billion, two hundred twenty-one million, three hundred sixty-six thousand, one hundred thirty-one".