130931250 has 48 divisors (see below), whose sum is σ = 327354048. Its totient is φ = 34910000.

The previous prime is 130931243. The next prime is 130931257. The reversal of 130931250 is 52139031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130931243) and next prime (130931257).

It is a super-3 number, since 3×130931250³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130931250.

It is not an unprimeable number, because it can be changed into a prime (130931257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15259 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (6819876).

Almost surely, 2^130931250 is an apocalyptic number.

130931250 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 130931250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163677024).

130931250 is an abundant number, since it is smaller than the sum of its proper divisors (196422798).

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

130931250 is an frugal number, since it uses more digits than its factorization.

130931250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 6993 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 130931250 is about 11442.5193904140. The cubic root of 130931250 is about 507.7864463951.

The spelling of 130931250 in words is "one hundred thirty million, nine hundred thirty-one thousand, two hundred fifty".