1312133299 has 2 divisors, whose sum is σ = 1312133300. Its totient is φ = 1312133298.

The previous prime is 1312133281. The next prime is 1312133327. The reversal of 1312133299 is 9923312131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312133299 - 2¹³ = 1312125107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312133239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656066649 + 656066650.

It is an arithmetic number, because the mean of its divisors is an integer number (656066650).

Almost surely, 2^1312133299 is an apocalyptic number.

1312133299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312133299 is an equidigital number, since it uses as much as digits as its factorization.

1312133299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 1312133299 is about 36223.3805573141. The cubic root of 1312133299 is about 1094.7778088681. Note that the first 3 decimals are identical.

The spelling of 1312133299 in words is "one billion, three hundred twelve million, one hundred thirty-three thousand, two hundred ninety-nine".