312231132413 has 2 divisors, whose sum is σ = 312231132414. Its totient is φ = 312231132412.

The previous prime is 312231132377. The next prime is 312231132463. The reversal of 312231132413 is 314231132213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243777212644 + 68453919769 = 493738^2 + 261637^2 .

It is a cyclic number.

It is not a de Polignac number, because 312231132413 - 2¹⁰ = 312231131389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312231132463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156115566206 + 156115566207.

It is an arithmetic number, because the mean of its divisors is an integer number (156115566207).

Almost surely, 2^312231132413 is an apocalyptic number.

It is an amenable number.

312231132413 is a deficient number, since it is larger than the sum of its proper divisors (1).

312231132413 is an equidigital number, since it uses as much as digits as its factorization.

312231132413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

Adding to 312231132413 its reverse (314231132213), we get a palindrome (626462264626).

The spelling of 312231132413 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred thirty-two thousand, four hundred thirteen".