130333312 has 32 divisors (see below), whose sum is σ = 273319200. Its totient is φ = 61735680.

The previous prime is 130333309. The next prime is 130333319. The reversal of 130333312 is 213333031.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 130333312.

It is not an unprimeable number, because it can be changed into a prime (130333319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24364 + ... + 29227.

It is an arithmetic number, because the mean of its divisors is an integer number (8541225).

Almost surely, 2^130333312 is an apocalyptic number.

It is an amenable number.

130333312 is an abundant number, since it is smaller than the sum of its proper divisors (142985888).

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

130333312 is an equidigital number, since it uses as much as digits as its factorization.

130333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53624 (or 53612 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 130333312 is about 11416.3615920310. The cubic root of 130333312 is about 507.0122788141.

Adding to 130333312 its reverse (213333031), we get a palindrome (343666343).

The spelling of 130333312 in words is "one hundred thirty million, three hundred thirty-three thousand, three hundred twelve".