130245320305 has 16 divisors (see below), whose sum is σ = 157325929488. Its totient is φ = 103509792000.

The previous prime is 130245320297. The next prime is 130245320329. The reversal of 130245320305 is 503023542031.

It can be written as a sum of positive squares in 8 ways, for example, as 132894784 + 130112425521 = 11528^2 + 360711^2 .

It is not a de Polignac number, because 130245320305 - 2³ = 130245320297 is a prime.

It is a super-2 number, since 2×130245320305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775135 + ... + 928075.

It is an arithmetic number, because the mean of its divisors is an integer number (9832870593).

Almost surely, 2^130245320305 is an apocalyptic number.

It is an amenable number.

130245320305 is a deficient number, since it is larger than the sum of its proper divisors (27080609183).

130245320305 is a wasteful number, since it uses less digits than its factorization.

130245320305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154068.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 130245320305 its reverse (503023542031), we get a palindrome (633268862336).

The spelling of 130245320305 in words is "one hundred thirty billion, two hundred forty-five million, three hundred twenty thousand, three hundred five".