130220311 has 8 divisors (see below), whose sum is σ = 142884000. Its totient is φ = 117934752.

The previous prime is 130220309. The next prime is 130220333. The reversal of 130220311 is 113022031.

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

It is not a de Polignac number, because 130220311 - 2¹ = 130220309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130220291 and 130220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93811 + ... + 95188.

It is an arithmetic number, because the mean of its divisors is an integer number (17860500).

Almost surely, 2^130220311 is an apocalyptic number.

130220311 is a deficient number, since it is larger than the sum of its proper divisors (12663689).

130220311 is a wasteful number, since it uses less digits than its factorization.

130220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189065.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130220311 is about 11411.4114376794. The cubic root of 130220311 is about 506.8657072801.

Adding to 130220311 its reverse (113022031), we get a palindrome (243242342).

The spelling of 130220311 in words is "one hundred thirty million, two hundred twenty thousand, three hundred eleven".