130220321231 has 32 divisors (see below), whose sum is σ = 182443097088. Its totient is φ = 89592560640.

The previous prime is 130220321191. The next prime is 130220321233. The reversal of 130220321231 is 132123022031.

It is not a de Polignac number, because 130220321231 - 2¹⁴ = 130220304847 is a prime.

It is a super-2 number, since 2×130220321231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220321233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2805026 + ... + 2851071.

It is an arithmetic number, because the mean of its divisors is an integer number (5701346784).

Almost surely, 2^130220321231 is an apocalyptic number.

130220321231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130220321231 is a deficient number, since it is larger than the sum of its proper divisors (52222775857).

130220321231 is a wasteful number, since it uses less digits than its factorization.

130220321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656151.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 130220321231 its reverse (132123022031), we get a palindrome (262343343262).

The spelling of 130220321231 in words is "one hundred thirty billion, two hundred twenty million, three hundred twenty-one thousand, two hundred thirty-one".