130531950 has 144 divisors (see below), whose sum is σ = 377091936. Its totient is φ = 32256000.

The previous prime is 130531949. The next prime is 130531963. The reversal of 130531950 is 59135031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 864375 + ... + 864525.

It is an arithmetic number, because the mean of its divisors is an integer number (2618694).

Almost surely, 2^130531950 is an apocalyptic number.

130531950 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 130531950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188545968).

130531950 is an abundant number, since it is smaller than the sum of its proper divisors (246559986).

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

130531950 is a wasteful number, since it uses less digits than its factorization.

130531950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 130531950 is about 11425.0579867237. The cubic root of 130531950 is about 507.2697233168.

Adding to 130531950 its reverse (59135031), we get a palindrome (189666981).

The spelling of 130531950 in words is "one hundred thirty million, five hundred thirty-one thousand, nine hundred fifty".