1232211213031 has 2 divisors, whose sum is σ = 1232211213032. Its totient is φ = 1232211213030.

The previous prime is 1232211212977. The next prime is 1232211213043. The reversal of 1232211213031 is 1303121122321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232211213031 - 2²³ = 1232202824423 is a prime.

It is a super-2 number, since 2×1232211213031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232211212993 and 1232211213011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232211213071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616105606515 + 616105606516.

It is an arithmetic number, because the mean of its divisors is an integer number (616105606516).

Almost surely, 2^{1232211213031} is an apocalyptic number.

1232211213031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232211213031 is an equidigital number, since it uses as much as digits as its factorization.

1232211213031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1232211213031 its reverse (1303121122321), we get a palindrome (2535332335352).

The spelling of 1232211213031 in words is "one trillion, two hundred thirty-two billion, two hundred eleven million, two hundred thirteen thousand, thirty-one".