1311123230 has 8 divisors (see below), whose sum is σ = 2360021832. Its totient is φ = 524449288.

The previous prime is 1311123227. The next prime is 1311123271. The reversal of 1311123230 is 323211131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311123199 and 1311123208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65556152 + ... + 65556171.

It is an arithmetic number, because the mean of its divisors is an integer number (295002729).

Almost surely, 2^1311123230 is an apocalyptic number.

1311123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311123230 is a deficient number, since it is larger than the sum of its proper divisors (1048898602).

1311123230 is a wasteful number, since it uses less digits than its factorization.

1311123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131112330.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311123230 is about 36209.4356487366. The cubic root of 1311123230 is about 1094.4968198877.

Adding to 1311123230 its reverse (323211131), we get a palindrome (1634334361).

The spelling of 1311123230 in words is "one billion, three hundred eleven million, one hundred twenty-three thousand, two hundred thirty".