1223210301031 has 2 divisors, whose sum is σ = 1223210301032. Its totient is φ = 1223210301030.

The previous prime is 1223210300999. The next prime is 1223210301043. The reversal of 1223210301031 is 1301030123221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223210301031 - 2⁵ = 1223210300999 is a prime.

It is a super-2 number, since 2×1223210301031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223210301931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611605150515 + 611605150516.

It is an arithmetic number, because the mean of its divisors is an integer number (611605150516).

Almost surely, 2^{1223210301031} is an apocalyptic number.

1223210301031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223210301031 is an equidigital number, since it uses as much as digits as its factorization.

1223210301031 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 1223210301031 its reverse (1301030123221), we get a palindrome (2524240424252).

The spelling of 1223210301031 in words is "one trillion, two hundred twenty-three billion, two hundred ten million, three hundred one thousand, thirty-one".