12313020003231 has 4 divisors (see below), whose sum is σ = 16417360004312. Its totient is φ = 8208680002152.

The previous prime is 12313020003223. The next prime is 12313020003233. The reversal of 12313020003231 is 13230002031321.

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

It is not a de Polignac number, because 12313020003231 - 2³ = 12313020003223 is a prime.

It is a super-2 number, since 2×12313020003231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313020003198 and 12313020003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313020003233) 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, 2052170000536 + ... + 2052170000541.

It is an arithmetic number, because the mean of its divisors is an integer number (4104340001078).

Almost surely, 2^{12313020003231} is an apocalyptic number.

12313020003231 is a deficient number, since it is larger than the sum of its proper divisors (4104340001081).

12313020003231 is an equidigital number, since it uses as much as digits as its factorization.

12313020003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104340001080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12313020003231 its reverse (13230002031321), we get a palindrome (25543022034552).

The spelling of 12313020003231 in words is "twelve trillion, three hundred thirteen billion, twenty million, three thousand, two hundred thirty-one".