130605331 has 4 divisors (see below), whose sum is σ = 132746464. Its totient is φ = 128464200.

The previous prime is 130605329. The next prime is 130605337. The reversal of 130605331 is 133506031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133506031 = 857 ⋅155783.

It is a cyclic number.

It is not a de Polignac number, because 130605331 - 2¹ = 130605329 is a prime.

It is a super-2 number, since 2×130605331² = 34115504971239122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130605337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070475 + ... + 1070596.

It is an arithmetic number, because the mean of its divisors is an integer number (33186616).

Almost surely, 2^130605331 is an apocalyptic number.

130605331 is a deficient number, since it is larger than the sum of its proper divisors (2141133).

130605331 is an equidigital number, since it uses as much as digits as its factorization.

130605331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141132.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 130605331 is about 11428.2689415327. The cubic root of 130605331 is about 507.3647625936.

The spelling of 130605331 in words is "one hundred thirty million, six hundred five thousand, three hundred thirty-one".