130311225 has 72 divisors (see below), whose sum is σ = 261685632. Its totient is φ = 61430400.

The previous prime is 130311187. The next prime is 130311227. The reversal of 130311225 is 522113031.

130311225 is a `hidden beast` number, since 130 + 311 + 225 = 666.

It is not a de Polignac number, because 130311225 - 2¹⁸ = 130049081 is a prime.

It is a super-2 number, since 2×130311225² = 33962030722001250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130311198 and 130311207.

It is not an unprimeable number, because it can be changed into a prime (130311227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 90864 + ... + 92286.

Almost surely, 2^130311225 is an apocalyptic number.

130311225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130311225 is an abundant number, since it is smaller than the sum of its proper divisors (131374407).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130311225 is a wasteful number, since it uses less digits than its factorization.

130311225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130311225 is about 11415.3942113271. The cubic root of 130311225 is about 506.9836368329.

Adding to 130311225 its reverse (522113031), we get a palindrome (652424256).

The spelling of 130311225 in words is "one hundred thirty million, three hundred eleven thousand, two hundred twenty-five".