130044330 has 48 divisors (see below), whose sum is σ = 364127400. Its totient is φ = 32010624.

The previous prime is 130044329. The next prime is 130044331. The reversal of 130044330 is 33440031.

It is an interprime number because it is at equal distance from previous prime (130044329) and next prime (130044331).

It can be written as a sum of positive squares in 4 ways, for example, as 80299521 + 49744809 = 8961^2 + 7053^2 .

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 (130044331) 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, 54405 + ... + 56744.

Almost surely, 2^130044330 is an apocalyptic number.

130044330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130044330 is an abundant number, since it is smaller than the sum of its proper divisors (234083070).

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

130044330 is a wasteful number, since it uses less digits than its factorization.

130044330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111175 (or 111172 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130044330 is about 11403.6980843935. The cubic root of 130044330 is about 506.6372765924.

Adding to 130044330 its reverse (33440031), we get a palindrome (163484361).

The spelling of 130044330 in words is "one hundred thirty million, forty-four thousand, three hundred thirty".