1230223203031 has 2 divisors, whose sum is σ = 1230223203032. Its totient is φ = 1230223203030.

The previous prime is 1230223203023. The next prime is 1230223203037. The reversal of 1230223203031 is 1303023220321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230223203031 - 2³ = 1230223203023 is a prime.

It is a super-2 number, since 2×1230223203031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230223202993 and 1230223203011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230223203037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615111601515 + 615111601516.

It is an arithmetic number, because the mean of its divisors is an integer number (615111601516).

Almost surely, 2^{1230223203031} is an apocalyptic number.

1230223203031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230223203031 is an equidigital number, since it uses as much as digits as its factorization.

1230223203031 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 1230223203031 its reverse (1303023220321), we get a palindrome (2533246423352).

The spelling of 1230223203031 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred three thousand, thirty-one".