1232310231 has 12 divisors (see below), whose sum is σ = 1797286608. Its totient is φ = 813563424.

The previous prime is 1232310223. The next prime is 1232310239. The reversal of 1232310231 is 1320132321.

1232310231 is a `hidden beast` number, since 123 + 2 + 310 + 231 = 666.

It is an interprime number because it is at equal distance from previous prime (1232310223) and next prime (1232310239).

It is not a de Polignac number, because 1232310231 - 2³ = 1232310223 is a prime.

It is a super-4 number, since 4×1232310231⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232310239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663750 + ... + 665603.

It is an arithmetic number, because the mean of its divisors is an integer number (149773884).

Almost surely, 2^1232310231 is an apocalyptic number.

1232310231 is a deficient number, since it is larger than the sum of its proper divisors (564976377).

1232310231 is a wasteful number, since it uses less digits than its factorization.

1232310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329462 (or 1329459 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232310231 is about 35104.2765343483. The cubic root of 1232310231 is about 1072.1116568811. Note that the first 3 decimals are identical.

Adding to 1232310231 its reverse (1320132321), we get a palindrome (2552442552).

The spelling of 1232310231 in words is "one billion, two hundred thirty-two million, three hundred ten thousand, two hundred thirty-one".