130021311 has 8 divisors (see below), whose sum is σ = 198127744. Its totient is φ = 74297880.

The previous prime is 130021301. The next prime is 130021337. The reversal of 130021311 is 113120031.

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

It is not a de Polignac number, because 130021311 - 2⁵ = 130021279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021301) 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, 3095725 + ... + 3095766.

It is an arithmetic number, because the mean of its divisors is an integer number (24765968).

Almost surely, 2^130021311 is an apocalyptic number.

130021311 is a deficient number, since it is larger than the sum of its proper divisors (68106433).

130021311 is an equidigital number, since it uses as much as digits as its factorization.

130021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191501.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130021311 is about 11402.6887618667. The cubic root of 130021311 is about 506.6073817310.

Adding to 130021311 its reverse (113120031), we get a palindrome (243141342).

The spelling of 130021311 in words is "one hundred thirty million, twenty-one thousand, three hundred eleven".