1312132333 has 4 divisors (see below), whose sum is σ = 1324395360. Its totient is φ = 1299869308.

The previous prime is 1312132331. The next prime is 1312132351. The reversal of 1312132333 is 3332312131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312132333 - 2¹ = 1312132331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312132331) by changing a digit.

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, 6131353 + ... + 6131566.

It is an arithmetic number, because the mean of its divisors is an integer number (331098840).

Almost surely, 2^1312132333 is an apocalyptic number.

It is an amenable number.

1312132333 is a deficient number, since it is larger than the sum of its proper divisors (12263027).

1312132333 is a wasteful number, since it uses less digits than its factorization.

1312132333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263026.

The product of its digits is 972, while the sum is 22.

The square root of 1312132333 is about 36223.3672233822. The cubic root of 1312132333 is about 1094.7775402075. Note that the first 3 decimals are identical.

Adding to 1312132333 its reverse (3332312131), we get a palindrome (4644444464).

It can be divided in two parts, 13121 and 32333, that added together give a palindrome (45454).

The spelling of 1312132333 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, three hundred thirty-three".