312322422403 has 4 divisors (see below), whose sum is σ = 314238511048. Its totient is φ = 310406333760.

The previous prime is 312322422367. The next prime is 312322422409. The reversal of 312322422403 is 304224223213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304224223213 = 521 ⋅583923653.

It is a cyclic number.

It is not a de Polignac number, because 312322422403 - 2¹³ = 312322414211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312322422409) 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 in 3 ways as a sum of consecutive naturals, for example, 958044078 + ... + 958044403.

It is an arithmetic number, because the mean of its divisors is an integer number (78559627762).

Almost surely, 2^312322422403 is an apocalyptic number.

312322422403 is a deficient number, since it is larger than the sum of its proper divisors (1916088645).

312322422403 is a wasteful number, since it uses less digits than its factorization.

312322422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916088644.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312322422403 its reverse (304224223213), we get a palindrome (616546645616).

The spelling of 312322422403 in words is "three hundred twelve billion, three hundred twenty-two million, four hundred twenty-two thousand, four hundred three".