1311233230 has 8 divisors (see below), whose sum is σ = 2360219832. Its totient is φ = 524493288.

The previous prime is 1311233201. The next prime is 1311233279. The reversal of 1311233230 is 323321131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1311233230³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311233198 and 1311233207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65561652 + ... + 65561671.

It is an arithmetic number, because the mean of its divisors is an integer number (295027479).

Almost surely, 2^1311233230 is an apocalyptic number.

1311233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311233230 is a deficient number, since it is larger than the sum of its proper divisors (1048986602).

1311233230 is a wasteful number, since it uses less digits than its factorization.

1311233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131123330.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1311233230 is about 36210.9545579787. The cubic root of 1311233230 is about 1094.5274275582.

Adding to 1311233230 its reverse (323321131), we get a palindrome (1634554361).

The spelling of 1311233230 in words is "one billion, three hundred eleven million, two hundred thirty-three thousand, two hundred thirty".