1316144233 has 4 divisors (see below), whose sum is σ = 1393564500. Its totient is φ = 1238723968.

The previous prime is 1316144183. The next prime is 1316144251. The reversal of 1316144233 is 3324416131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 771061824 + 545082409 = 27768^2 + 23347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316144233 - 2⁹ = 1316143721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316144273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38710108 + ... + 38710141.

It is an arithmetic number, because the mean of its divisors is an integer number (348391125).

Almost surely, 2^1316144233 is an apocalyptic number.

It is an amenable number.

1316144233 is a deficient number, since it is larger than the sum of its proper divisors (77420267).

1316144233 is an equidigital number, since it uses as much as digits as its factorization.

1316144233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77420266.

The product of its digits is 5184, while the sum is 28.

The square root of 1316144233 is about 36278.7021956409. The cubic root of 1316144233 is about 1095.8921811394.

The spelling of 1316144233 in words is "one billion, three hundred sixteen million, one hundred forty-four thousand, two hundred thirty-three".