130531650 has 24 divisors (see below), whose sum is σ = 323718864. Its totient is φ = 34808400.

The previous prime is 130531649. The next prime is 130531651. The reversal of 130531650 is 56135031.

It is an interprime number because it is at equal distance from previous prime (130531649) and next prime (130531651).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130531650.

It is not an unprimeable number, because it can be changed into a prime (130531651) 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 11 ways as a sum of consecutive naturals, for example, 434956 + ... + 435255.

It is an arithmetic number, because the mean of its divisors is an integer number (13488286).

Almost surely, 2^130531650 is an apocalyptic number.

130531650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130531650 is an abundant number, since it is smaller than the sum of its proper divisors (193187214).

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

130531650 is a wasteful number, since it uses less digits than its factorization.

130531650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870226 (or 870221 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 130531650 is about 11425.0448576800. The cubic root of 130531650 is about 507.2693346993.

Adding to 130531650 its reverse (56135031), we get a palindrome (186666681).

The spelling of 130531650 in words is "one hundred thirty million, five hundred thirty-one thousand, six hundred fifty".