130211993 has 8 divisors (see below), whose sum is σ = 143866368. Its totient is φ = 117223744.

The previous prime is 130211971. The next prime is 130211999. The reversal of 130211993 is 399112031.

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 130211993 - 2⁶ = 130211929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130211999) 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 7 ways as a sum of consecutive naturals, for example, 166121 + ... + 166902.

It is an arithmetic number, because the mean of its divisors is an integer number (17983296).

Almost surely, 2^130211993 is an apocalyptic number.

It is an amenable number.

130211993 is a deficient number, since it is larger than the sum of its proper divisors (13654375).

130211993 is a wasteful number, since it uses less digits than its factorization.

130211993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333063.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 130211993 is about 11411.0469721231. The cubic root of 130211993 is about 506.8549148041.

The spelling of 130211993 in words is "one hundred thirty million, two hundred eleven thousand, nine hundred ninety-three".