1223203302031 has 2 divisors, whose sum is σ = 1223203302032. Its totient is φ = 1223203302030.

The previous prime is 1223203301981. The next prime is 1223203302067. The reversal of 1223203302031 is 1302033023221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223203302031 - 2¹⁹ = 1223202777743 is a prime.

It is a super-2 number, since 2×1223203302031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223203301993 and 1223203302011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223203302091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611601651015 + 611601651016.

It is an arithmetic number, because the mean of its divisors is an integer number (611601651016).

Almost surely, 2^{1223203302031} is an apocalyptic number.

1223203302031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223203302031 is an equidigital number, since it uses as much as digits as its factorization.

1223203302031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1223203302031 its reverse (1302033023221), we get a palindrome (2525236325252).

The spelling of 1223203302031 in words is "one trillion, two hundred twenty-three billion, two hundred three million, three hundred two thousand, thirty-one".