232231130 has 32 divisors (see below), whose sum is σ = 433725840. Its totient is φ = 89420800.

The previous prime is 232231123. The next prime is 232231133. The reversal of 232231130 is 31132232.

It can be written as a sum of positive squares in 8 ways, for example, as 109265209 + 122965921 = 10453^2 + 11089^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232231099 and 232231108.

It is not an unprimeable number, because it can be changed into a prime (232231133) 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, 115292 + ... + 117288.

Almost surely, 2^232231130 is an apocalyptic number.

232231130 is a deficient number, since it is larger than the sum of its proper divisors (201494710).

232231130 is a wasteful number, since it uses less digits than its factorization.

232231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 232231130 is about 15239.1315369348. The cubic root of 232231130 is about 614.6673504545.

Adding to 232231130 its reverse (31132232), we get a palindrome (263363362).

The spelling of 232231130 in words is "two hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty".