313012221203 has 16 divisors (see below), whose sum is σ = 346329071712. Its totient is φ = 280529760000.

The previous prime is 313012221187. The next prime is 313012221211. The reversal of 313012221203 is 302122210313.

It is a cyclic number.

It is not a de Polignac number, because 313012221203 - 2⁴ = 313012221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313012221283) 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, 345728 + ... + 863453.

It is an arithmetic number, because the mean of its divisors is an integer number (21645566982).

Almost surely, 2^313012221203 is an apocalyptic number.

313012221203 is a deficient number, since it is larger than the sum of its proper divisors (33316850509).

313012221203 is a wasteful number, since it uses less digits than its factorization.

313012221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209526.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313012221203 its reverse (302122210313), we get a palindrome (615134431516).

The spelling of 313012221203 in words is "three hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred three".