2123012310031 has 2 divisors, whose sum is σ = 2123012310032. Its totient is φ = 2123012310030.

The previous prime is 2123012309993. The next prime is 2123012310049. The reversal of 2123012310031 is 1300132103212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123012310031 is a prime.

It is a super-3 number, since 3×2123012310031³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2123012309990 and 2123012310008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123012710031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061506155015 + 1061506155016.

It is an arithmetic number, because the mean of its divisors is an integer number (1061506155016).

Almost surely, 2^{2123012310031} is an apocalyptic number.

2123012310031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123012310031 is an equidigital number, since it uses as much as digits as its factorization.

2123012310031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2123012310031 its reverse (1300132103212), we get a palindrome (3423144413243).

The spelling of 2123012310031 in words is "two trillion, one hundred twenty-three billion, twelve million, three hundred ten thousand, thirty-one".