1242224230031 has 2 divisors, whose sum is σ = 1242224230032. Its totient is φ = 1242224230030.

The previous prime is 1242224230019. The next prime is 1242224230109. The reversal of 1242224230031 is 1300324222421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242224230031 is a prime.

It is a super-2 number, since 2×1242224230031² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242224233031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621112115015 + 621112115016.

It is an arithmetic number, because the mean of its divisors is an integer number (621112115016).

Almost surely, 2^{1242224230031} is an apocalyptic number.

1242224230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242224230031 is an equidigital number, since it uses as much as digits as its factorization.

1242224230031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1242224230031 its reverse (1300324222421), we get a palindrome (2542548452452).

The spelling of 1242224230031 in words is "one trillion, two hundred forty-two billion, two hundred twenty-four million, two hundred thirty thousand, thirty-one".