130212231 has 16 divisors (see below), whose sum is σ = 187743744. Its totient is φ = 79961984.

The previous prime is 130212179. The next prime is 130212239. The reversal of 130212231 is 132212031.

It is a cyclic number.

It is not a de Polignac number, because 130212231 - 2¹⁸ = 129950087 is a prime.

It is a super-3 number, since 3×130212231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 130212231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130212239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24765 + ... + 29558.

It is an arithmetic number, because the mean of its divisors is an integer number (11733984).

Almost surely, 2^130212231 is an apocalyptic number.

130212231 is a deficient number, since it is larger than the sum of its proper divisors (57531513).

130212231 is a wasteful number, since it uses less digits than its factorization.

130212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54390.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130212231 is about 11411.0574006093. The cubic root of 130212231 is about 506.8552236118.

Adding to 130212231 its reverse (132212031), we get a palindrome (262424262).

The spelling of 130212231 in words is "one hundred thirty million, two hundred twelve thousand, two hundred thirty-one".