130331440305 has 24 divisors (see below), whose sum is σ = 246444906240. Its totient is φ = 63191001120.

The previous prime is 130331440273. The next prime is 130331440333. The reversal of 130331440305 is 503044133031.

130331440305 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 314 + 40 + 305 = 666.

It is not a de Polignac number, because 130331440305 - 2⁵ = 130331440273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131647425 + ... + 131648414.

It is an arithmetic number, because the mean of its divisors is an integer number (10268537760).

Almost surely, 2^130331440305 is an apocalyptic number.

130331440305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130331440305 is a deficient number, since it is larger than the sum of its proper divisors (116113465935).

130331440305 is a wasteful number, since it uses less digits than its factorization.

130331440305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263295861 (or 263295858 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 130331440305 its reverse (503044133031), we get a palindrome (633375573336).

The spelling of 130331440305 in words is "one hundred thirty billion, three hundred thirty-one million, four hundred forty thousand, three hundred five".