130440310 has 128 divisors (see below), whose sum is σ = 321076224. Its totient is φ = 36840960.

The previous prime is 130440287. The next prime is 130440313. The reversal of 130440310 is 13044031.

It is a super-2 number, since 2×130440310² = 34029348945792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 830752 + ... + 830908.

It is an arithmetic number, because the mean of its divisors is an integer number (2508408).

Almost surely, 2^130440310 is an apocalyptic number.

130440310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130440310 is an abundant number, since it is smaller than the sum of its proper divisors (190635914).

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

130440310 is a wasteful number, since it uses less digits than its factorization.

130440310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130440310 is about 11421.0467996590. The cubic root of 130440310 is about 507.1509858986.

Adding to 130440310 its reverse (13044031), we get a palindrome (143484341).

It can be divided in two parts, 1304 and 40310, that added together give a palindrome (41614).

The spelling of 130440310 in words is "one hundred thirty million, four hundred forty thousand, three hundred ten".