312331213343 has 2 divisors, whose sum is σ = 312331213344. Its totient is φ = 312331213342.

The previous prime is 312331213297. The next prime is 312331213373. The reversal of 312331213343 is 343312133213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312331213343 - 2¹² = 312331209247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312331213373) 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 as a sum of consecutive naturals, namely, 156165606671 + 156165606672.

It is an arithmetic number, because the mean of its divisors is an integer number (156165606672).

Almost surely, 2^312331213343 is an apocalyptic number.

312331213343 is a deficient number, since it is larger than the sum of its proper divisors (1).

312331213343 is an equidigital number, since it uses as much as digits as its factorization.

312331213343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 29.

Adding to 312331213343 its reverse (343312133213), we get a palindrome (655643346556).

The spelling of 312331213343 in words is "three hundred twelve billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred forty-three".