130720309331 has 8 divisors (see below), whose sum is σ = 132722232720. Its totient is φ = 128719882368.

The previous prime is 130720309309. The next prime is 130720309397. The reversal of 130720309331 is 133903027031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130720309331 - 2¹⁰ = 130720308307 is a prime.

It is a super-2 number, since 2×130720309331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130720303331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197426 + ... + 548103.

It is an arithmetic number, because the mean of its divisors is an integer number (16590279090).

Almost surely, 2^130720309331 is an apocalyptic number.

130720309331 is a deficient number, since it is larger than the sum of its proper divisors (2001923389).

130720309331 is an equidigital number, since it uses as much as digits as its factorization.

130720309331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748213.

The product of its (nonzero) digits is 10206, while the sum is 32.

The spelling of 130720309331 in words is "one hundred thirty billion, seven hundred twenty million, three hundred nine thousand, three hundred thirty-one".