130720309330 has 64 divisors (see below), whose sum is σ = 264494522880. Its totient is φ = 46153299456.

The previous prime is 130720309309. The next prime is 130720309397. The reversal of 130720309330 is 33903027031.

It is a junction number, because it is equal to n+sod(n) for n = 130720309292 and 130720309301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16856734 + ... + 16864486.

It is an arithmetic number, because the mean of its divisors is an integer number (4132726920).

Almost surely, 2^130720309330 is an apocalyptic number.

130720309330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130720309330 is an abundant number, since it is smaller than the sum of its proper divisors (133774213550).

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

130720309330 is a wasteful number, since it uses less digits than its factorization.

130720309330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435.

The product of its (nonzero) digits is 10206, while the sum is 31.

The spelling of 130720309330 in words is "one hundred thirty billion, seven hundred twenty million, three hundred nine thousand, three hundred thirty".