312203403313 has 16 divisors (see below), whose sum is σ = 330535368000. Its totient is φ = 294440956992.

The previous prime is 312203403307. The next prime is 312203403329. The reversal of 312203403313 is 313304302213.

It is not a de Polignac number, because 312203403313 - 2⁹ = 312203402801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312203403373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312483 + ... + 849736.

It is an arithmetic number, because the mean of its divisors is an integer number (20658460500).

Almost surely, 2^312203403313 is an apocalyptic number.

It is an amenable number.

312203403313 is a deficient number, since it is larger than the sum of its proper divisors (18331964687).

312203403313 is a wasteful number, since it uses less digits than its factorization.

312203403313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162464.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 312203403313 its reverse (313304302213), we get a palindrome (625507705526).

The spelling of 312203403313 in words is "three hundred twelve billion, two hundred three million, four hundred three thousand, three hundred thirteen".