1312130333 has 2 divisors, whose sum is σ = 1312130334. Its totient is φ = 1312130332.

The previous prime is 1312130321. The next prime is 1312130341. The reversal of 1312130333 is 3330312131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782992324 + 529138009 = 27982^2 + 23003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312130333 - 2¹⁶ = 1312064797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312130033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656065166 + 656065167.

It is an arithmetic number, because the mean of its divisors is an integer number (656065167).

Almost surely, 2^1312130333 is an apocalyptic number.

It is an amenable number.

1312130333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312130333 is an equidigital number, since it uses as much as digits as its factorization.

1312130333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1312130333 is about 36223.3396168824. The cubic root of 1312130333 is about 1094.7769839739.

Adding to 1312130333 its reverse (3330312131), we get a palindrome (4642442464).

The spelling of 1312130333 in words is "one billion, three hundred twelve million, one hundred thirty thousand, three hundred thirty-three".