12313021310203 has 4 divisors (see below), whose sum is σ = 12710215546048. Its totient is φ = 11915827074360.

The previous prime is 12313021310201. The next prime is 12313021310209. The reversal of 12313021310203 is 30201312031321.

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 12313021310203 - 2¹ = 12313021310201 is a prime.

It is a super-2 number, since 2×12313021310203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313021310201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198597117876 + ... + 198597117937.

It is an arithmetic number, because the mean of its divisors is an integer number (3177553886512).

Almost surely, 2^{12313021310203} is an apocalyptic number.

12313021310203 is a deficient number, since it is larger than the sum of its proper divisors (397194235845).

12313021310203 is an equidigital number, since it uses as much as digits as its factorization.

12313021310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397194235844.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12313021310203 its reverse (30201312031321), we get a palindrome (42514333341524).

The spelling of 12313021310203 in words is "twelve trillion, three hundred thirteen billion, twenty-one million, three hundred ten thousand, two hundred three".