130631250 has 48 divisors (see below), whose sum is σ = 326604096. Its totient is φ = 34830000.

The previous prime is 130631243. The next prime is 130631269. The reversal of 130631250 is 52136031.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15267 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (6804252).

Almost surely, 2^130631250 is an apocalyptic number.

130631250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130631250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163302048).

130631250 is an abundant number, since it is smaller than the sum of its proper divisors (195972846).

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

130631250 is an frugal number, since it uses more digits than its factorization.

130631250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 130631250 is about 11429.4028715415. The cubic root of 130631250 is about 507.3983230345.

Adding to 130631250 its reverse (52136031), we get a palindrome (182767281).

The spelling of 130631250 in words is "one hundred thirty million, six hundred thirty-one thousand, two hundred fifty".