130440031320 has 64 divisors (see below), whose sum is σ = 392842833120. Its totient is φ = 34648653824.

The previous prime is 130440031301. The next prime is 130440031373. The reversal of 130440031320 is 23130044031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2083947 + ... + 2145626.

Almost surely, 2^130440031320 is an apocalyptic number.

130440031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130440031320 is an abundant number, since it is smaller than the sum of its proper divisors (262402801800).

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

130440031320 is a wasteful number, since it uses less digits than its factorization.

130440031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229844 (or 4229840 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 130440031320 its reverse (23130044031), we get a palindrome (153570075351).

The spelling of 130440031320 in words is "one hundred thirty billion, four hundred forty million, thirty-one thousand, three hundred twenty".