130343045221 has 4 divisors (see below), whose sum is σ = 130348790572. Its totient is φ = 130337299872.

The previous prime is 130343045197. The next prime is 130343045227. The reversal of 130343045221 is 122540343031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122540343031 = 37 ⋅3311901163.

It can be written as a sum of positive squares in 2 ways, for example, as 116738388900 + 13604656321 = 341670^2 + 116639^2 .

It is a cyclic number.

It is not a de Polignac number, because 130343045221 - 2⁹ = 130343044709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130343045221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130343045227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838510 + ... + 2884063.

It is an arithmetic number, because the mean of its divisors is an integer number (32587197643).

Almost surely, 2^130343045221 is an apocalyptic number.

It is an amenable number.

130343045221 is a deficient number, since it is larger than the sum of its proper divisors (5745351).

130343045221 is an equidigital number, since it uses as much as digits as its factorization.

130343045221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745350.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 130343045221 its reverse (122540343031), we get a palindrome (252883388252).

The spelling of 130343045221 in words is "one hundred thirty billion, three hundred forty-three million, forty-five thousand, two hundred twenty-one".