312213040200403 has 4 divisors (see below), whose sum is σ = 312231491434168. Its totient is φ = 312194588966640.

The previous prime is 312213040200359. The next prime is 312213040200539. The reversal of 312213040200403 is 304002040312213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312213040200403 - 2⁹ = 312213040199891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312213040200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9225591501 + ... + 9225625342.

It is an arithmetic number, because the mean of its divisors is an integer number (78057872858542).

Almost surely, 2^{312213040200403} is an apocalyptic number.

312213040200403 is a deficient number, since it is larger than the sum of its proper divisors (18451233765).

312213040200403 is a wasteful number, since it uses less digits than its factorization.

312213040200403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18451233764.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312213040200403 its reverse (304002040312213), we get a palindrome (616215080512616).

The spelling of 312213040200403 in words is "three hundred twelve trillion, two hundred thirteen billion, forty million, two hundred thousand, four hundred three".