130303332 has 36 divisors (see below), whose sum is σ = 332648316. Its totient is φ = 43003200.

The previous prime is 130303319. The next prime is 130303337. The reversal of 130303332 is 233303031.

130303332 is a `hidden beast` number, since 1 + 30 + 303 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 41679936 = 9414^2 + 6456^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130303337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14283 + ... + 21554.

It is an arithmetic number, because the mean of its divisors is an integer number (9240231).

Almost surely, 2^130303332 is an apocalyptic number.

130303332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130303332 is an abundant number, since it is smaller than the sum of its proper divisors (202344984).

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

130303332 is a wasteful number, since it uses less digits than its factorization.

130303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35948 (or 35943 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 130303332 is about 11415.0484887275. The cubic root of 130303332 is about 506.9734005629.

Adding to 130303332 its reverse (233303031), we get a palindrome (363606363).

The spelling of 130303332 in words is "one hundred thirty million, three hundred three thousand, three hundred thirty-two".