231130607 has 2 divisors, whose sum is σ = 231130608. Its totient is φ = 231130606.

The previous prime is 231130591. The next prime is 231130619. The reversal of 231130607 is 706031132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231130607 - 2⁴ = 231130591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231132607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115565303 + 115565304.

It is an arithmetic number, because the mean of its divisors is an integer number (115565304).

Almost surely, 2^231130607 is an apocalyptic number.

231130607 is a deficient number, since it is larger than the sum of its proper divisors (1).

231130607 is an equidigital number, since it uses as much as digits as its factorization.

231130607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 231130607 is about 15202.9802012632. The cubic root of 231130607 is about 613.6948610597.

Adding to 231130607 its reverse (706031132), we get a palindrome (937161739).

The spelling of 231130607 in words is "two hundred thirty-one million, one hundred thirty thousand, six hundred seven".