1223000310031 has 2 divisors, whose sum is σ = 1223000310032. Its totient is φ = 1223000310030.

The previous prime is 1223000310023. The next prime is 1223000310047. The reversal of 1223000310031 is 1300130003221.

It is an a-pointer prime, because the next prime (1223000310047) can be obtained adding 1223000310031 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223000310031 - 2³ = 1223000310023 is a prime.

It is a super-2 number, since 2×1223000310031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223000309987 and 1223000310014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223000380031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611500155015 + 611500155016.

It is an arithmetic number, because the mean of its divisors is an integer number (611500155016).

Almost surely, 2^{1223000310031} is an apocalyptic number.

1223000310031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223000310031 is an equidigital number, since it uses as much as digits as its factorization.

1223000310031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1223000310031 its reverse (1300130003221), we get a palindrome (2523130313252).

The spelling of 1223000310031 in words is "one trillion, two hundred twenty-three billion, three hundred ten thousand, thirty-one".