1242431114233 has 2 divisors, whose sum is σ = 1242431114234. Its totient is φ = 1242431114232.

The previous prime is 1242431114203. The next prime is 1242431114291. The reversal of 1242431114233 is 3324111342421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1055657612304 + 186773501929 = 1027452^2 + 432173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242431114233 is a prime.

It is a super-2 number, since 2×1242431114233² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1242431114195 and 1242431114204.

It is not a weakly prime, because it can be changed into another prime (1242431114203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621215557116 + 621215557117.

It is an arithmetic number, because the mean of its divisors is an integer number (621215557117).

Almost surely, 2^{1242431114233} is an apocalyptic number.

It is an amenable number.

1242431114233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242431114233 is an equidigital number, since it uses as much as digits as its factorization.

1242431114233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

Adding to 1242431114233 its reverse (3324111342421), we get a palindrome (4566542456654).

The spelling of 1242431114233 in words is "one trillion, two hundred forty-two billion, four hundred thirty-one million, one hundred fourteen thousand, two hundred thirty-three".