130237231 has 16 divisors (see below), whose sum is σ = 139818240. Its totient is φ = 121040640.

The previous prime is 130237189. The next prime is 130237243. The reversal of 130237231 is 132732031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130237231 - 2⁹ = 130236719 is a prime.

It is a super-2 number, since 2×130237231² = 33923472677094722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130237531) 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, 284755 + ... + 285211.

It is an arithmetic number, because the mean of its divisors is an integer number (8738640).

Almost surely, 2^130237231 is an apocalyptic number.

130237231 is a deficient number, since it is larger than the sum of its proper divisors (9581009).

130237231 is a wasteful number, since it uses less digits than its factorization.

130237231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 130237231 is about 11412.1527767551. The cubic root of 130237231 is about 506.8876592994.

Adding to 130237231 its reverse (132732031), we get a palindrome (262969262).

The spelling of 130237231 in words is "one hundred thirty million, two hundred thirty-seven thousand, two hundred thirty-one".