12310321323031 has 2 divisors, whose sum is σ = 12310321323032. Its totient is φ = 12310321323030.

The previous prime is 12310321323017. The next prime is 12310321323061. The reversal of 12310321323031 is 13032312301321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12310321323031 - 2¹³ = 12310321314839 is a prime.

It is a super-2 number, since 2×12310321323031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310321322987 and 12310321323005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310321323011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155160661515 + 6155160661516.

It is an arithmetic number, because the mean of its divisors is an integer number (6155160661516).

Almost surely, 2^{12310321323031} is an apocalyptic number.

12310321323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310321323031 is an equidigital number, since it uses as much as digits as its factorization.

12310321323031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12310321323031 its reverse (13032312301321), we get a palindrome (25342633624352).

The spelling of 12310321323031 in words is "twelve trillion, three hundred ten billion, three hundred twenty-one million, three hundred twenty-three thousand, thirty-one".