130731105 has 16 divisors (see below), whose sum is σ = 221474304. Its totient is φ = 65621760.

The previous prime is 130731049. The next prime is 130731109. The reversal of 130731105 is 501137031.

It is not a de Polignac number, because 130731105 - 2¹⁰ = 130730081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130731109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256081 + ... + 256590.

It is an arithmetic number, because the mean of its divisors is an integer number (13842144).

Almost surely, 2^130731105 is an apocalyptic number.

130731105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130731105 is a deficient number, since it is larger than the sum of its proper divisors (90743199).

130731105 is a wasteful number, since it uses less digits than its factorization.

130731105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512696.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 130731105 is about 11433.7703755148. The cubic root of 130731105 is about 507.5275758108.

Adding to 130731105 its reverse (501137031), we get a palindrome (631868136).

The spelling of 130731105 in words is "one hundred thirty million, seven hundred thirty-one thousand, one hundred five".