130321030340 has 24 divisors (see below), whose sum is σ = 273911570520. Its totient is φ = 52083191808.

The previous prime is 130321030339. The next prime is 130321030351. The reversal of 130321030340 is 43030123031.

It can be written as a sum of positive squares in 4 ways, for example, as 16885443136 + 113435587204 = 129944^2 + 336802^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802635 + ... + 2848754.

It is an arithmetic number, because the mean of its divisors is an integer number (11412982105).

Almost surely, 2^130321030340 is an apocalyptic number.

130321030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130321030340 is an abundant number, since it is smaller than the sum of its proper divisors (143590540180).

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

130321030340 is a wasteful number, since it uses less digits than its factorization.

130321030340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652551 (or 5652549 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 130321030340 its reverse (43030123031), we get a palindrome (173351153371).

The spelling of 130321030340 in words is "one hundred thirty billion, three hundred twenty-one million, thirty thousand, three hundred forty".