312203421313 has 16 divisors (see below), whose sum is σ = 365909733504. Its totient is φ = 260787968640.

The previous prime is 312203421311. The next prime is 312203421337. The reversal of 312203421313 is 313124302213.

It is a cyclic number.

It is not a de Polignac number, because 312203421313 - 2¹ = 312203421311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312203421311) 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, 339370 + ... + 859987.

It is an arithmetic number, because the mean of its divisors is an integer number (22869358344).

Almost surely, 2^312203421313 is an apocalyptic number.

It is an amenable number.

312203421313 is a deficient number, since it is larger than the sum of its proper divisors (53706312191).

312203421313 is a wasteful number, since it uses less digits than its factorization.

312203421313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200312.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312203421313 its reverse (313124302213), we get a palindrome (625327723526).

The spelling of 312203421313 in words is "three hundred twelve billion, two hundred three million, four hundred twenty-one thousand, three hundred thirteen".