130443020051 has 4 divisors (see below), whose sum is σ = 132094197600. Its totient is φ = 128791842504.

The previous prime is 130443020039. The next prime is 130443020053. The reversal of 130443020051 is 150020344031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150020344031 = 54773 ⋅2738947.

It is a cyclic number.

It is not a de Polignac number, because 130443020051 - 2²⁶ = 130375911187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130443019999 and 130443020026.

It is not an unprimeable number, because it can be changed into a prime (130443020053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825588656 + ... + 825588813.

It is an arithmetic number, because the mean of its divisors is an integer number (33023549400).

Almost surely, 2^130443020051 is an apocalyptic number.

130443020051 is a deficient number, since it is larger than the sum of its proper divisors (1651177549).

130443020051 is an equidigital number, since it uses as much as digits as its factorization.

130443020051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651177548.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 130443020051 its reverse (150020344031), we get a palindrome (280463364082).

The spelling of 130443020051 in words is "one hundred thirty billion, four hundred forty-three million, twenty thousand, fifty-one".