130028206662281 has 4 divisors (see below), whose sum is σ = 130048067399952. Its totient is φ = 130008345924612.

The previous prime is 130028206662259. The next prime is 130028206662283. The reversal of 130028206662281 is 182266602820031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130028206662281 - 2¹⁸ = 130028206400137 is a prime.

It is a super-2 number, since 2×130028206662281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130028206662283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9930359015 + ... + 9930372108.

It is an arithmetic number, because the mean of its divisors is an integer number (32512016849988).

Almost surely, 2^{130028206662281} is an apocalyptic number.

It is an amenable number.

130028206662281 is a deficient number, since it is larger than the sum of its proper divisors (19860737671).

130028206662281 is an equidigital number, since it uses as much as digits as its factorization.

130028206662281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19860737670.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 130028206662281 in words is "one hundred thirty trillion, twenty-eight billion, two hundred six million, six hundred sixty-two thousand, two hundred eighty-one".