130220231 has 4 divisors (see below), whose sum is σ = 130564200. Its totient is φ = 129876264.

The previous prime is 130220219. The next prime is 130220249. The reversal of 130220231 is 132022031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132022031 = 37 ⋅3568163.

It is a cyclic number.

It is not a de Polignac number, because 130220231 - 2²² = 126025927 is a prime.

It is a super-2 number, since 2×130220231² = 33914617123386722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220291) 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, 171416 + ... + 172173.

It is an arithmetic number, because the mean of its divisors is an integer number (32641050).

Almost surely, 2^130220231 is an apocalyptic number.

130220231 is a deficient number, since it is larger than the sum of its proper divisors (343969).

130220231 is an equidigital number, since it uses as much as digits as its factorization.

130220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343968.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130220231 is about 11411.4079324157. The cubic root of 130220231 is about 506.8656034835.

Adding to 130220231 its reverse (132022031), we get a palindrome (262242262).

The spelling of 130220231 in words is "one hundred thirty million, two hundred twenty thousand, two hundred thirty-one".